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<?xml-stylesheet type="text/xsl" href="http://cosmiclog.msnbc.msn.com/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx</link><description>Moviegoers received a double dose of time-travel fiction this week,&amp;nbsp;with the present-day(s) thriller "Deja Vu" on one hand and "The Fountain," a time-trippy love story, on the other. As we discussed earlier this week, "Deja Vu" reflects a bit more</description><dc:language>en-US</dc:language><generator>CommunityServer 2.0 (Build: 60608.1)</generator><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15684</link><pubDate>Sat, 25 Nov 2006 07:38:47 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15684</guid><dc:creator>James McCrea  Boulder CO</dc:creator><description>Sir, you might be interested in a photographic
time travel.  Check 99 multiple exposure, phusion
images created only within the Canon A-1 - no editing
see wwwphotomysticart.com    ENJOY
                 Best Regards   Jim McCrea</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15686</link><pubDate>Sat, 25 Nov 2006 13:49:37 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15686</guid><dc:creator>Illana, new britain, CT</dc:creator><description>Some other great books dealing with time travel are several by Robert Heinlein- he also deals with the 'multiple universes' theory in "Number of the Beast", and in fact makes most of his other stories cross by the end of the book by simply making all the separate universes accessible.  I think some of the books he wrote after that one feature a group that tries to deal with the various universes and some consequenses of lines being crossed.  Definitely not books for children, as there tend to be a lot of sexual themes, but for adults that can handle innuendos and a little unconventionality, they're wonderful, funny, well-written books.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15688</link><pubDate>Sat, 25 Nov 2006 15:14:03 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15688</guid><dc:creator>Patrick Bishop, Caldwell, NJ</dc:creator><description>Kate and Leopold; that's the time-travel movie you want to see.  Cool and charming, it's the perfect date movie.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15707</link><pubDate>Sat, 25 Nov 2006 22:10:23 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15707</guid><dc:creator>Alma Novotny, Houston, Texas</dc:creator><description>Recommendations: 

Robert Heinlein's short story "All You Zombies"  The first, best and tightest intersecting time travel plot.

Kage Baker's series "The Company." Wild romance, horrible villians and and incredibly complex plot revealed like a 500,000 year strip tease.

Audrey Niffenegger's "The Time Traveler's Wife."  A love story, not a science fiction novel.  I thought I had read every conceivable use of time travel as a plot device, but this one rises to a new level of inventiveness.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15708</link><pubDate>Sat, 25 Nov 2006 22:43:19 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15708</guid><dc:creator>Jason Bloom</dc:creator><description>Robert Forward wrote a very cerebral hard-SF novel called "Timemaster" that dealt with the chronology protection scenario.  In the novel, the mechanism for protecting the timeline is that increasingly improbable events become probable to prevent paradox--in other words, paradox would be asymptotic and exert a "repulsive" force on events.  One of the bizarre concepts Forward explores is what could be called "looping self-correction," where someone or something in danger of causing paradox is knocked through the time portal into the immediate past by its immediate future self, and then goes on to repeat the same event by knocking the recent-past version of itself through the portal.  As mind-bending as it is, the offending object or person would witness the same events twice within seconds, but from two alternate perspectives.

A film that must be mentioned is "Primer"--quite possibly the hardest, most rigorous, most realistic, and most intellectually stimulating movie about time travel yet created.  We see a realistic process of discovery as two engineers stumble on a strange phenomenon, feel their excitement and awe as the implications begin to dawn on them, their wonder as they step into the (recent) past, and share their confusion and fear as the layers of causality begin to pile up.  Two central premises are that (a)you can only backwards, and (b)you can only go back as far as the time machine has been in operation.  It also seems to say that the machine has to be in continuous operation at all points on the included timeline.  Then it examines (quite obliquely) what happens if you put a time machine within a time machine.  This is one of the few films that dares to present a universe more complex than its audience is prepared to immediately understand, and for that it's a classic.

</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15713</link><pubDate>Sun, 26 Nov 2006 01:39:55 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15713</guid><dc:creator>Adam, Brisbane, Queensland</dc:creator><description>Hi Alan

Ok. The ultimate time-travel novel is "The End of Eternity" (1955) in which Isaac Asimov describes a trans-Time organisation, Eternity, which modifies the flow of history from the 28th Century to the 70,000th Century. Initially it was begun in the 30th century by some scientists anxious to avoid a nuclear war by travelling back and causing a key Senator to have a car-crash. But the urge to control for the sake of security gives birth to an organisation existing outside of Time which adjusts history "selflessly" to achieve maximum happiness for all. But by doing so they distort social evolution, suppress technology that's "too dangerous" (too hard for them to control) and stifle humanity's Outward Urge. The people of the 120,000th century place a time-block on Eternity at the 70,000 Century so they can't change human history directly after that time. In those "Hidden centuries" humans develop hyperdrive and discover the Galaxy has been totally colonised by other species. Humanity retreats to Earth in despair and dies out by the 150,000th century. But another faction find that 'Eternity' is an anomaly in all the threads of possible history, a closed time loop which generates itself by sending the 'inventor' of time-travel back to the 24th Century to bring time-travel and 'Eternity' into being. Thus 'Eternity' can be destroyed in all possible worlds by undoing the loop.

Literally the time-travel story to end all time-travel stories.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15715</link><pubDate>Sun, 26 Nov 2006 02:25:55 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15715</guid><dc:creator>Sam Dinkin</dc:creator><description>The golden age of science fiction is whatever was popular when you were a kid.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15716</link><pubDate>Sun, 26 Nov 2006 04:02:23 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15716</guid><dc:creator>Richard Payne, Orem, Utah</dc:creator><description>what about prophsey? Future events and people seen hundreds or thousands of years before it happens. </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15717</link><pubDate>Sun, 26 Nov 2006 04:15:34 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15717</guid><dc:creator>Robert Moseley, Minneapolis, Minnesota</dc:creator><description>I don't think you can discuss great works that involve time travel without mentioning "Contact" by the late Carl Sagan.  It is a very fascinating story because it could concievably happen tomorrow.  </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15719</link><pubDate>Sun, 26 Nov 2006 05:40:53 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15719</guid><dc:creator>Bruce King, Charlotte, NC</dc:creator><description>I made a comment on this yesterday, before the article was published.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15721</link><pubDate>Sun, 26 Nov 2006 06:31:47 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15721</guid><dc:creator>Rosswell  Redmond, Or</dc:creator><description>Rosswell's observation of time:  "Time emanates from the center"  Careful study reveals that time flows from the center of matter, outward, evenly, in all directions (not from left to right or twords a gravity well).
     It's the opposite of gravity, so we have named the force "Levity".  It is a dimension, not a particle.  It accelerates from zero to the speed of time in no time flat.
     Phillip Jose Farmer was correct when he said (Time's Last Gift) "Everything that can be done in the past HAS been done in the past", because we can measure and visually confirm the uniformly onward and outward passage of time.
     Stephen Hawking was correct when he incorporated time as a dimension in String Theory, and Albert Einstein was correct when he said "It's like an old man with a teaspoon of sand, you don't know WHAT he's got!" </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15723</link><pubDate>Sun, 26 Nov 2006 08:39:24 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15723</guid><dc:creator>Bill, Tennessee</dc:creator><description>One of the problems with time travel of more than a few milliseconds is the fact that our planet, solar system, and galaxy are in constant motion.  If it were possible to travel in time, a traveler on the planet earth would also have to travel in absolute 3 dimensional space by the same amount that the planet has moved during the so called time displacement.  For example, if you make the assumption that our sun is stationary in absolute space (which it is not), then a time traveler who goes back in time by six months must also travel the diameter of the earth's solar orbit to the location of the earth six months ago--on the opposite side of the sun!  When the motion of the sun around the center of the galaxy is considered along with the motion of the galaxy within the universe--well you get the idea.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15729</link><pubDate>Sun, 26 Nov 2006 12:31:16 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15729</guid><dc:creator>christine cruicchi S. P.</dc:creator><description>
I DO BEALEVE IN A DEJA VU AS YOU SAY, IN THE BOOK JACK FINNEY, SOMEWERE IN TIME IT CANT HAPEN, YES, ALWAYS, LIKE THE THE SIMPHONY OF RACHMANINOFF, RHAPSODIA ON A THEME OF PAGANINI.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15749</link><pubDate>Sun, 26 Nov 2006 17:10:07 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15749</guid><dc:creator>Loren Davidson, SF Bay Area, CA</dc:creator><description>Of interest to this discussion is Larry Niven's short story/essay, "Theory and Practise of Time Travel," in a 1970's collection "All the Myriad Ways." In it, he theorizes that if it's possible to go back in time and change the past, sooner or later the past and future will stabilize on a timeline in which no time travel machine is ever invented and in which no other way of changing the past is possible, because that's the only possible stable configuration.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15756</link><pubDate>Sun, 26 Nov 2006 18:29:26 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15756</guid><dc:creator>CB, Dallas, Texas</dc:creator><description>   One of my favorite time-travel cartoons (by Dan Piraro) has a confused-looking guy in a fancy sports car pulled over in front of the saloon in an old Wild West town. The sheriff is standing next to him, saying "Son, do you have any idea how fast you must have been going?"</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15767</link><pubDate>Sun, 26 Nov 2006 22:56:43 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15767</guid><dc:creator>raymond belanger</dc:creator><description>"time" is the measurment of the relative distance between two moving objects. thus, the "measurement" of "time". it is more like "inches" then any unexplainable "dimentions". And it doesn't "go" anywhere, especially backwards.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15768</link><pubDate>Sun, 26 Nov 2006 23:19:11 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15768</guid><dc:creator>Brian Fraser, Scottsdale, Arizona</dc:creator><description>Although it is not exactly "travel", it is apparent that "motion in time" is akin to "motion in space". It is certainly something that is accessible to physicists, as there are plenty of ordinary examples. 

See http://www.geocities.com/thirdgenerationphysics/ for a short, student paper on the topic.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15772</link><pubDate>Mon, 27 Nov 2006 01:08:08 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15772</guid><dc:creator>Anthony Rowe, troy, NY</dc:creator><description>I have a hypothesis on the subject of Time. I just spent the past week hashing through it on google group's minds-eye group. The topic is called "What is Time" by Hadoz. Check it out!</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15774</link><pubDate>Mon, 27 Nov 2006 02:05:15 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15774</guid><dc:creator>Bernie Carlton, Moxee, Wash</dc:creator><description>Let's add "Thrice Upon A Time" by James P. Hogan. Changing time by sending messages to a past version of yourself.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15779</link><pubDate>Mon, 27 Nov 2006 06:25:58 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15779</guid><dc:creator>Tru</dc:creator><description>One of the stories that I find my mind returning to over the years is 

"The Man Who Folded Himself."

I guess it's considered a classic though I never realized it. I see it's now back in print too.

http://www.chtorr.com/books-folded/folded.htm

</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15781</link><pubDate>Mon, 27 Nov 2006 07:19:25 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15781</guid><dc:creator>Dr. John Smith, Galafree</dc:creator><description>Good Time Travel stories- check out Dr. Who. btw- you do realize that Deja Vue is a remake of the old UPN TV show "7 days". </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15788</link><pubDate>Mon, 27 Nov 2006 14:15:33 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15788</guid><dc:creator>Anthony Orion, West Palm Beach, FL</dc:creator><description>I like the idea of combining the themes from "Back to the Future" where if you change something in the past, it creates an alternate timeline askew of the one you were in and "The One", where there are a set number of Universes that directly relate to your own. I actually think that there are INFINITE universes, but only so many that share a likeness to our own, as in "The One" where Jet Li kills himself in over 100 other universes. </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15815</link><pubDate>Mon, 27 Nov 2006 16:06:06 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15815</guid><dc:creator>PM, Atlanta GA</dc:creator><description>Bill is on the mark with his comment about the three-dimensional compensation required for time travel.  

A "time machine" will need to be capable of operating not only in time, but also in all the other dimensions and even outside them.  If you can crack time, you can go anywhere, anywhen, and you would, because you could. (But I don't think for a moment that this is a the ultimate possible technology.)

Time machines are not a technology you'd use to go pick lotto numbers or pick up groceries, or perform a hit, and it's not something you'd use to go save Kennedy or Lincoln.  Why do those things if you have the ability to cross to the other side of the galaxy? Why meddle in such affairs?

It is important to get away from the "history change paradox" element of time travel because it's far too limiting.  Oh yes, there could be local paradoxes.  But none that effect more than this earth.  No paradox that matter, in other words.  The universe is just too huge -and that's before adding in the multiverse.  

Yes, time and paradoxes works on the small scale, but "time" doesn't care as much as you think about any of it.  What happens here, whether A man lives or dies differently, simply doesn't matter at all.  If a time traveler managed to obliterate the Earth before it ever formed, the universe would take no notice.  

So what WOULD it take to create and operate such a vehicle?  What would it look like? It's not likely to be a police box or a DeLorean.  Would we know it if we saw it?

I'm about to mention two words that will get me labeled as a fruitcake by some of you, which is ironic because you're happily reading about time travel and that's not TOO exotic, but what I am about to say will be.  Flying saucers.  They're not just visitors from space: they're visitors from time or from other dimensions. 

What the heck does that have to do with time travel?  The machines they use are evidence that it can be done.  Are we smart enough to figure it out?  Will we be allowed to?  Interesting that Asimov apparently wrote this story.   I will seek that book.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15820</link><pubDate>Mon, 27 Nov 2006 16:26:39 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15820</guid><dc:creator>Wade Whitlock, Aberdeen, MD</dc:creator><description>May I humbly suggest the A.E van Vogt's Weapon Shops of Isher get a nod? Starts out with one hell (and I mean that literally!) of a time trip. If you are going to tootle around in 4 dimensions (plus a few to contain them!), you must be able to locate yourself or re-locate if you prefer, to account for the new or old location. Just figure the movement of any point on Earth and factor in rotation, Earth-Moon orbit, Sol-centered orbit, Solar galactic orbit, galaxy movement, universal expansion, etc., etc., etc. Best compute verry carefully before you jump!</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15831</link><pubDate>Mon, 27 Nov 2006 17:23:14 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15831</guid><dc:creator>Shawn</dc:creator><description>An outstanding fiction book to read is, "The Light of Other Days" written by Arthur C Clarke and Stephen Baxter.
 ***The Light of Other Days follows a soulless tech billionaire (sort of an older, more crotchety Bill Gates), a soulful muckraking journalist, and the billionaire's two (separated since birth) sons. It's 2035, and all four hold ringside seats at the birth of a new paradigm-destroying technology, a system of "WormCams," harnessing the power of wormholes to see absolutely anyone or anything, anywhere, at any distance (even light years away). As if that weren't enough, the sons eventually figure out how to exploit a time-dilation effect, allowing them to use the holes to peer back in time**
  The ending is  shall we say  Out of the world or time!</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15838</link><pubDate>Mon, 27 Nov 2006 18:02:48 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15838</guid><dc:creator>Jordan, Philadelphia PA</dc:creator><description>What? No one remembers "A Wrinkle in Time"? Where the author describes time as a ribbon. Much like Frank Herbert's "Dune." Traveling without moving. Loved all your comments - thought I'd add my own.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15844</link><pubDate>Mon, 27 Nov 2006 18:36:27 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15844</guid><dc:creator>Talen</dc:creator><description>H. Beam Piper has an excellent parallel earth book called "Paratime".
He doesn't discuss the theory at length, but gives a good feel for what travelling across the different iterations of the earth would be like.  </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15849</link><pubDate>Mon, 27 Nov 2006 19:08:43 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15849</guid><dc:creator>L Jordan, Cincy, OH</dc:creator><description>You know, the thought that there are infinite possible timelines has been around for as long as there has been science fiction.  It makes sense, if you think about it.  Our universe is just one string of probabilities that has been followed.  Every universe represents another string of probabilities that has also occurred but that we (as yet) have no access to.  Thus, our universe is perfect for us because it occurred along the lines of probability that allowed it to happen.  It is not that we were extremely lucky; it is that this particular version of the universe exists this way because the probability existed that it could be this way.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15862</link><pubDate>Mon, 27 Nov 2006 20:22:04 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15862</guid><dc:creator>Dennis, Richmond, VA</dc:creator><description>Good Grief! Someone pulled out Heinlein's "All You Zombies" but not one of you came up with "Doctor Who"? Now I agree that "...Zombies" is easily the best short story time trip, but Doctor Who is by far the most fun on TV.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15863</link><pubDate>Mon, 27 Nov 2006 20:25:27 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15863</guid><dc:creator>William R. Pentland, Wheatland, Wyoming</dc:creator><description>Time travel has always been fascinating and frightful to me. Who wouldn't like to go back and change some things? A book about time travel that I read as a youth was Door Into Summer by the aforementioned Robert Heinlein - nothing major, just a lot of fun. Of course, can't forget H.G. Wells, can we? Andre Norton wrote a series starting with The Time Traders, again, more for adolescents than adults but still fanciful and fun to read. Interesting topic.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15868</link><pubDate>Mon, 27 Nov 2006 20:38:02 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15868</guid><dc:creator>Jack McKenzie</dc:creator><description>If talking time-travel, you must include Doctor Who and his TARDIS. And continuity is not a big problem with the Doctor's stories, one big,happy mess. </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15887</link><pubDate>Mon, 27 Nov 2006 21:15:08 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15887</guid><dc:creator>John Charles Webb, Jr.  Maui, Hawaii</dc:creator><description>&lt;P style='clear:both;'&gt;- Einstein tethered us to linear time because he linked relativity to the speed of light (velocity). You cannot have a negative velocity so, according to Einstein, time is ever moving forward in a linear way. &lt;/P&gt;
&lt;P style='clear:both;'&gt;- "Time", as we know it, is a contrivance of Man (stuff happens and we devised a means of measuring durations, like 'quarters' in a football game). Time, as we measure it, is merely increments of eternity. &amp;nbsp; &lt;/P&gt;
&lt;P style='clear:both;'&gt;Time travel is a realistic possibility, however, time travel does not include a 'device' (eg. time machine). It (time travel) is a function of the soul (or spirit) which exists both within and outside of time simultaneously. &lt;/P&gt;
&lt;P style='clear:both;'&gt;- Our 'ego/physicalbody' is a time-based entity which, when transcended, liberates us to navigate to any imaginable space-time context. In brief, time travel is an inherent characteristic (ability) of our 'true self'. &lt;/P&gt;
&lt;P style='clear:both;'&gt;- The 'reality of time' is that is is always "now" and the human condition seems to be that our minds and physical bodies are not (usually) in sync. &amp;nbsp;Our bodies are always 'present in the now' and our minds are always (usually) in either the past or future. When the mind and body merge into the instant then magic happens and eternity reveals herself. &lt;/P&gt;</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15890</link><pubDate>Mon, 27 Nov 2006 21:23:42 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15890</guid><dc:creator>Travis Potter, Dallas, Texas</dc:creator><description>"Master of Space and Time". This is a funny good novel about how you should be carefull what you wish for when your exploring quantum phyisics and time travel.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15896</link><pubDate>Mon, 27 Nov 2006 21:35:57 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15896</guid><dc:creator>Sean McDermott Poughquag, NY</dc:creator><description>The idea of multiple universes splitting off was covered in a short story I read some years ago. Once it was 'discovered' that mutliple universes existed and they could be travelled to people went nuts and did all manner of crazy things knowing that another branch of the universe had the same individual doing the not so crazy stuff. The story not withstanding, multiple universes seems plausible; if we accept that the universe (multiverse)system is always headed towards a state of greater entropy then the sprouting of multiple universes in a completely random fashion as time expands fits with the entropy idea. But this also implies that there is a (or a multiple of) steady universe(s), contracting universe(s), ever expanding universe(s) which brings me to causality: is the very act of our observation of space-time in our universe affecting the possible outcome(s) of our universe as time expands? Are we in effect willing a steady state universe to exist or an expanding one with each new super collider experiment (time branching as we do so?)....ponder on great minds...

</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15900</link><pubDate>Mon, 27 Nov 2006 21:47:30 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15900</guid><dc:creator>George Potter, Seymour, Indiana</dc:creator><description>Another interesting time-travel book is Pastwatch:  The Redemption of Christopher Columbus by Orson Scott Card, where people in the future of an Earth destroyed by ecological damage have discovered a way to view the past, and then to change the past to attempt to stave off ecological destruction of the world, even while knowing that by changing the past they will destroy the "world" or universe in which they live.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15903</link><pubDate>Mon, 27 Nov 2006 21:57:19 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15903</guid><dc:creator>Bill, Sugar Land, TX</dc:creator><description>My favorite time travel movie hasn't been mentioned yet: The Final Countdown, with Kirk Douglas and Martin Sheen. The premise isn't exactly subtle: the nuclear carrier USS Nimitz is somehow thrown back to 1941 right before Pearl Harbor. What's great about the movie is that you give the screenwriters one giant Tooth Fairy (what natural phenomenon could possibly cause an aircraft carrier to travel in time?) and from there everyone reacts like real people would react: confusion, disbelief, arguments over "what do we do now?", etc. [Warning: Spoilers Ahead!!] Also, Hawkings' chronology protection conjecture is strictly enforced.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15906</link><pubDate>Mon, 27 Nov 2006 22:23:13 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15906</guid><dc:creator>Jerry Mossbarger, Hemet, CA</dc:creator><description>"Timescape" is an excellent book which addressed the problem of earth's movement:  tachyons were beamed at a portion of sky where earth had been located in the past.  The effort was successful in warning the past about what the future had become:  a polluted and destroyed world.  The book's ending is enigmatic - in all, a very satisfying read!</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15916</link><pubDate>Mon, 27 Nov 2006 22:51:19 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15916</guid><dc:creator>Ron, Houston, Texas</dc:creator><description>&lt;P style='clear:both;'&gt;How about this...there is really no such thing as "time". All reality exists simultaneously. It is only our limited perspective that causes us to divide events into digestible past, present and future pieces. If we had the "God view," we would see all things at once. It's a perspective thing. &lt;/P&gt;
&lt;P style='clear:both;'&gt;Considering "time" as the fourth dimention, when I was a kid, I read a book about dragons. Turns out they can slide uphill because they are able to keep the tip of their tail in the fourth dimension. Wish I could find that one again.&lt;/P&gt;</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15922</link><pubDate>Mon, 27 Nov 2006 23:26:14 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15922</guid><dc:creator>Lander Martin,Temple,Texas</dc:creator><description>"Time" as we perceive it is not really a dimension or measurement; it is only the way our brains interpret movement, which is itself described in terms of time and space, which is described in terms of tim and movement.They are all expressions of the basic idea of existence,which is the material of existence itself. </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15934</link><pubDate>Tue, 28 Nov 2006 01:04:17 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15934</guid><dc:creator>Frank Glover</dc:creator><description>Another interesting Niven short story is: "Rotating Cylinders and Global Causality Violation" whose title is taken from that of a paper by theorist Frank Tipler where he shows how a long neutron-star dense rotating (at about half lightspeed) cylinder would create a region near its middle where travel into the future or past should be possible (limit: You can't go back to a time prior to the existence of the cylinder, or forward beyond the time the cylinder is shut off or destroyed). Roberr Forward also describs this device in some of his non-fiction works.

http://en.wikipedia.org/wiki/Tipler_Cylinder

The Niven story, however, suggests that nature 'conspires' to preserve causalty and prevent paradoxes, even where a workable time travel device is possible, and how one side in an interstellar conflict tries to exploit that tendency, rather than the machine itself...
</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15939</link><pubDate>Tue, 28 Nov 2006 01:28:12 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15939</guid><dc:creator>Felix Torres</dc:creator><description>If you want to look at other views of time, Clifford Simak's "Ring around the sun" explores the many worlds theory with a different take and James Blish's "Quincunx of Time"(originally:Beep) explores the idea of FTL communications with a twist.

Poul Anderson played with Time Travel in his "Time Patrol" storied, but his most clever take was "There will be time".

And a side-note on Asimov's "End of Eternity" that gets neglected is that it is actually Chapter Zero of his Robots/Galactic Empire timeline.

TV-wise, I'm surprised nobody has mentioned "The time tunnel", inspired by a story of the same title by the great Murray Leinster, who also did "Sideways in time". Also worth checking out is the surprisingly good pilot for the proposed remake of the show a couple years back (its in the Time Tunnel DVD set) where an experiment in nuclear fussion creates a time vortex that cuts across time and alters history irrevocably. (Hint: Boston Yankees...)

I suspect that as fun as these speculations all are, reality will, if ever figure it out, will turn out to be even more mind boggling. :-)</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15988</link><pubDate>Tue, 28 Nov 2006 14:58:47 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15988</guid><dc:creator>Ryan, orlando, fl</dc:creator><description>comment on a comment, kate and leopold is not the movie you want to see. ever. do not watch this movie. warning! spoiler! it sucks... </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#15989</link><pubDate>Tue, 28 Nov 2006 14:59:44 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:15989</guid><dc:creator>B Thomas, Illinois</dc:creator><description>All I did was scan the entries, but is NO ONE going to point out that the Philadelphia Experiment is about as real as 9/11 conspiracies and unicorns?  The US Navy ripped a hole in space-time...I'll believe that as soon as someone shows me these "holographic cruise missiles".</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16039</link><pubDate>Tue, 28 Nov 2006 18:14:24 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16039</guid><dc:creator>Tom Wagner, Montgomery, AL</dc:creator><description>Heinlein's "All you Zombies" has been mentioned, but he also has another story "By His Bootstraps" involving multiple time travel trips with overlapping appearances by the main character.  At one point in time, three versions of the same character (each from a different point in his time-line) overlap in a college dorm room.  Turns out his future self sent an earlier version back to recruit himself to step into the future.  It works, and in the future he starts the chain up again.  We experience the one scene three times from the viewpoint of each version of the same character.  At no point does he change time, but does travel back and forth between a specific day in our era and a ten year period far in the future.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16249</link><pubDate>Wed, 29 Nov 2006 21:23:48 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16249</guid><dc:creator>Barbara, Pompano Beach, Florida</dc:creator><description>I have to put my vote in for the lovely 1980 movie starring Christopher Reeve and Jane Seymour.  I believe it's called "Time After Time."  Come to think of it, wasn't there another movie with the same title that starred Malcolm McDowell in the mid-1980s?  McDowell's character was chasing Jack the Ripper. </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16278</link><pubDate>Thu, 30 Nov 2006 02:06:16 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16278</guid><dc:creator>aliensanctuary, California</dc:creator><description>I believe time travel is indicated in the Bible, along with other alien technologies. How does one know what will happen in the future unless one has either been there, or informed about future events?</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16286</link><pubDate>Thu, 30 Nov 2006 05:22:55 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16286</guid><dc:creator>richard fick, wdasworth, ohio</dc:creator><description>these discussions remind me of deja vu all over again.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16410</link><pubDate>Thu, 30 Nov 2006 17:15:46 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16410</guid><dc:creator>Joe, Anchorage, Alaska</dc:creator><description>Don't forget The Final Countdown as a good movie about a modern aircraft carrier arriving near pearl harbor hours before the Japanese attack, only to find they can't actually change the past. </description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16443</link><pubDate>Thu, 30 Nov 2006 17:58:48 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16443</guid><dc:creator>Matt Olsen, Los Angeles, CA</dc:creator><description>&lt;P style='clear:both;'&gt;Wow. &amp;nbsp;I am impressed with all of the comments, recommendations and diverse thought in this string. Some pretty "heady" stuff that definitely causes my cranium to expand a bit as I am sitting here trying to get a mental handle on all the posts.&lt;/P&gt;
&lt;P style='clear:both;'&gt;Being an avid sci-fi reader and viewer I am familiar with many of the books, films, etc. and will make a determined effort to begin hunting for those I am not.&lt;/P&gt;
&lt;P style='clear:both;'&gt;If you are into this kind of material I would not hesitate to recommend a very lengthy but equally worthwhile book called "Cities In Flight". &amp;nbsp;It is by James Blish, whom many of you might know as a writer of many of the Star Trek (after the original series ended). The book deals with many issues relevant to today's and also encompasses the challenge of travel through time. &amp;nbsp;In fact the ending (without being a spoiler) deals with the paradox of time actually being a finite process. &amp;nbsp; &amp;nbsp; &lt;/P&gt;</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#16908</link><pubDate>Mon, 04 Dec 2006 14:44:41 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:16908</guid><dc:creator>Rick Shelton</dc:creator><description>&lt;P style='clear:both;'&gt;I don't believe time travel would be possible. &amp;nbsp;If we take the universe as it is as the collapse of the sum of all wave functions (observation) that could have resulted in the universe as it is then one would have to "uncollapse" the wave functions, which would take an extremely large, if not infinite, amount of power. &amp;nbsp;Furthermore, the entropic state of the universe must also be taken into account. &amp;nbsp;The traveler would be going from a less ordered state to a more highly ordered state (from higher entropy to lower entropy), which takes energy and, if one considers the entropic state of the universe, a vastly large amount of energy. &lt;/P&gt;
&lt;P style='clear:both;'&gt;So, if time travel is possible then it would be as an observer only, or it is not possible. &amp;nbsp;It may be argued that the traveler has already impacted the past and therefore the wave functions contain that information, but, as stated before, one must consider difference between the entropic states.&lt;/P&gt;</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#22954</link><pubDate>Wed, 27 Dec 2006 22:15:26 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:22954</guid><dc:creator>Chris, Colorado Springs, Co</dc:creator><description>I checked to see if I ever invented time travel... I told myself that if I did I would visit myself right at this minute and wrote it down and put it in my wallet so I wouldn't forget in the future. Then I sat there for a minute and nothing happened. I suggest that everybody else try it too, who knows, you might have already invented time travel!</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#24632</link><pubDate>Sun, 31 Dec 2006 05:24:05 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:24632</guid><dc:creator>Rob, Hanford, Calif</dc:creator><description>Read "Awakening to Zero Point".  Your thoughts on time travel will be altered.</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#28110</link><pubDate>Mon, 08 Jan 2007 00:27:00 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:28110</guid><dc:creator>chad santa cruz california</dc:creator><description>First my favorite (thus far) time travel movie is "Happy Accidents", with Vincent D' Onofrio and Marisa Tomei. A great love story and very interesting philosophy on time travel.&lt;BR&gt; &lt;BR&gt;I believe that time travel is very possible,and can even point to its appearence in somewhat alternative capacities, as those of psychics and empaths. These people can pick up an object and "travel" to the past and experience what had occured, emotionally or as a "vision", of sorts, with the given object. &amp;nbsp;John Charles Webb Jr., seemed to point most directly to how time travel could be possible too. &amp;nbsp;&lt;BR&gt; &lt;BR&gt;The psychics, or beings whom are "awake" or enlightened are connected to emptiness, or the source, or "O.". &amp;nbsp;These terms are interchangeable. &amp;nbsp; &lt;BR&gt;Spiritually awakened beings have spoken of this - do your research. &amp;nbsp;Check into the buddhists mahasiddhas,and others... &lt;BR&gt;&lt;BR&gt;By accessing emptiness, or "O."(that's zero point, incase you missed it...) you are opening the door to pure potential, and if you were able to contain this "field" and enter a "time frequency", or some form of "time objectification" (perhaps just purified intention-prayer???) you, or whatever object was placed in the "O." field, would then travel there, once the field closed. &lt;BR&gt;&lt;BR&gt;"O." stabilization would be essential. &amp;nbsp;If the field got out of hand you could create a black hole and destroy life as we know it...which would be a bummer, and ruin your day... &lt;BR&gt;&lt;BR&gt;Ufo's are using this technology, and "The Philidalphia Experiment" already tapped this due to Teslas input, but it also became a disaster for the men on the ship, which he apparently forsaw and left the project, but it was continued by others. If you disbelieve this story then do your research. &amp;nbsp;If you still disbelieve, then we know who you work for... &lt;BR&gt;&lt;BR&gt;I have heard that in about one year the theory and "machine" for time travel will be released on the world, in a complete form. &amp;nbsp;This will also solve the energy problem. &amp;nbsp;Quantum and astrophysics will also be displaced and the real science of "Truth" will become the standard model. &amp;nbsp;I'm willing to discuss this further, if you are alive and aware. &amp;nbsp;The truth is for everyone, and can't be silenced...it's what we are, we just need to learn how to relax, look, and listen...chaddie@juno.com &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;BR&gt;</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#168971</link><pubDate>Thu, 26 Apr 2007 07:58:07 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:168971</guid><dc:creator>John Sawyer, Berkeley, CA</dc:creator><description>One of my (and many other people's) favorite books on time travel is "Replay", by Ken Grimwood. &amp;nbsp;In it, a man has a heart attack in 1988, and "wakes up" in his 18-year-old body in 1963, with all his memories intact. &amp;nbsp;He goes on to meet a woman to whom the same has happened, and together they live larger than life lives, getting another chance to learn lessons they didn't get right the first time, and trying to change history, but eventually both die again in 1988. &amp;nbsp;And then they wake up again in their younger bodies, but this time not as far back. &amp;nbsp;These cycles continue, each shorter than the other, but adding up to centuries. &amp;nbsp;The book is very affecting. &amp;nbsp;Here are reviews that cover it better than I have: &lt;BR&gt;&lt;BR&gt;&lt;A target="_blank" href="http://www.amazon.com/Replay-Ken-Grimwood/dp/068816112X"&gt;www.amazon.com/Replay-Ken-Grimwood/dp/068816112X&lt;/A&gt; &lt;BR&gt;&lt;BR&gt;&lt;A href="http://en.wikipedia.org/wiki/Ken_Grimwood" target=_new rel=nofollow&gt;http://en.wikipedia.org/wiki/Ken_Grimwood&lt;/A&gt;</description></item><item><title>Time after time travel</title><link>http://cosmiclog.msnbc.msn.com/archive/2006/11/24/15629.aspx#205446</link><pubDate>Mon, 28 May 2007 00:33:44 GMT</pubDate><guid isPermaLink="false">8a5d2dbc-a0e4-4c7a-979f-3188051f228e:205446</guid><dc:creator>Noreen Eitland, Waunakee, WI.</dc:creator><description>I am trying to find the title of an old movie. It takes place on a battleship. They are at sea and&amp;nbsp;come upon a storm that puts them back in time. They are then at war in another time. One man stays as he is in love with someone. He does not get back on the ship and then the ship just returned to its own time. The ship goes ashore and the sailor that was left behind was there, as an old man with his family. &lt;BR&gt;&lt;BR&gt;Anyone know what movie this is? &lt;BR&gt;&amp;nbsp; &amp;nbsp; </description></item></channel></rss>