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Dr. Seth Lloyd, an MIT professor and self-described “quantum mechanic,” describes the quantum mechanics behind time travel during a guest lecture at the Institute for Quantum Computing, University of Waterloo (www.iqc.ca). Recorded on Nov. 4, 2010, this is entire lecture entitled “Sending a Photon Backwards in Time.” Dr. Lloyd also sat down for a one-on-one interview at IQC, during which he discusses the weirdness (and beautiful simplicity) of quantum mechanics, and the incredible importance of quantum information research. Excerpts from this interview are below: Seth Lloyd on Quantum Weirdness: www.youtube.com Seth Lloyd on the Simple Beauty of Quantum Mechanics: www.youtube.com Seth Lloyd on the Universe as a Quantum Computer: www.youtube.com Seth Lloyd on the Importance of Quantum Information Research: www.youtube.com www.iqc.ca
Video Rating: 4 / 5
Source: www.thebatt.com — Sunday, April 15, 2012
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Three points. First of all, he has a ridiculous laugh. Second, I have a solution to the D-CTC “problem” of entering the curve alive and exiting dead. One simply needs to hypothesize a paired inverse universe operation (rho_x)^-1. Third, I don’t think D-CTC and P-CTC are mutually exclusive. D-CTC describes what happens with different timelines, P-CTC describes what happens with a single timeline, so maybe they should be called S-CTC and M-CTC (single and multiple, respectively).
Wow. His pacing back and forth is very annoying.
How could he forget about the best movie about the physics of time travel Teenage mutant ninja turtles 3
I don’t know why the people were in the capsules though.
your mind is not restricted by time or space.through deep meditation I found myself on a space station were 2 blonde white men in white robes showed me the earth.I saw giant floating cities moving about.the earth was allowed to return to its natural state so we could have a balance of nature and technology.I saw ships that could travel through time and space.we have colonized many planets in different galaxies.I also saw people in capsules with tubes in them like the matrix.
What did you see there? Did Mcdonalds still existed?… What about KFC? What about Madonna?… I bet Madonna was still releasing new albums…
is that bill gates sitting up front eating his lunch?
1.21 GW (One point two, one) to be precise.
1 Gigawatt of power is needed
i went to the year 205,984. very interesting.
harry potter?
This IS the explanation:
We’re travelling forward in time but in a way it’s meant to be.We’re growing,learning,seeing events etc. as fast as something moves the more it lives,but that’s not time travel.
The thing scientists are trying to describe is time travel as a way of moving in time in a way mind data stays constant,so it can be possible to see what happens then or even change it and return back in present with a clear picture of the moment.That’s proven to be IMPOSSIBLE.
Great video. I hated physics in my college days. Years latter, I’ve gone through my old physics with calculus textbook twice!! Took me a few years but I now find my self appreciating everything and understanding laws of the universe far more clearly.
epic nerd laugh at 10:00
I heard Doreamon
Time travel: You can’t go meet yourself because you’ve been taken out of your own timeline. You can’t see the results of your influence in the future because you’re pulled out of that timeline. If you were to return to your timeline and meet yourself traveling when you originally weren’t there, paradox! How do you overcome that?!
am i the only one who thinks he looks like physics’ answer to francis Rossi? :S
in the g’world
Surely if there is ANY interference in the space/time continuum WILL create a paradox ?, and Quantum Physics points out that atoms affect each other regardless of distance does that relate to time ?.
If we belive in theory of multiverse, and we assume that there is a chance that one of the universes allowes time travel, then our universe could be altered by a time traveller from that universe. If our universe could be altered then time travel in our universe is also possible.
Simple.
poor students… no wait. thats wrong. no wait … yeah.. thats wrong. no its right.