Time Travel: Einstein's big idea (Theory of Relativity)

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Here is a little clip of how time travel can occur. The clip was taken from: The World's First Time Machine (Discovery Channel). Dr Ronald Mallett

Channel: Howto & Style
Uploaded: January 10, 2007 at 12:21 am
Author: alvrgona

Length: 00:04:11
Rating: 4.77
Views: 435952

Tags: Time travel Einstein's big idea speed theory of relativity light The World's First Machine Ronald Mallett Discover

Video Comments:
imorpheusi (October 5, 2008 at 11:33 pm)
its that time clock real? It's so beautiful, i want one
Zee96969696 (October 5, 2008 at 10:38 am)
I don't get it, wait , I do get it, wait, I dont.
So I don't get it, it stil sounds like fiction to me. It sounds really cool, but I think maybe time does not slow down for objects traveling very fast. Yea?
novusordo74 (October 5, 2008 at 10:21 am)
not long ago it was impossible for man to fly.
ofcourse it is possible. man has just scratched the surface of discovery and evolution.
sadaeptx (October 5, 2008 at 9:13 am)
faster than light not possible
johnnythegoodegg (October 5, 2008 at 6:26 am)
btw...that was for "soulessnessD" down there :D
johnnythegoodegg (October 5, 2008 at 6:24 am)
Special relativity is a theory of the structure of spacetime. It was introduced in Albert Einstein's 1905 paper "On the Electrodynamics of Moving Bodies". Special relativity is based on two postulates which are contradictory in classical mechanics; which one of them states: The speed of light in a vacuum is the same for all observers, regardless of their relative motion or of the motion of the source of the light. -from Wikipedia
I think that answered your teacher's question
AlexanderOppenheimer (October 3, 2008 at 8:49 pm)
How many times do I have to say this: Look at Maxwell's equations.
Costynmvp (October 3, 2008 at 6:51 pm)
i just wrote a 500 character text and it was not posted :)) i will rewrite it now: that clock is a simple instrument wich as well explained can be slowed down. i have this example i want you to think about. if you want to measure a length of 10 feet with a 1 feet object you will measure.. 10 feet :). but if the object actualy measures 2 feet you will measure 5 feet. your object does not change the fact that the real length 10 feet. thanks anyway for reading this. :)
Costynmvp (October 3, 2008 at 6:46 pm)
i am not saying that the theory of relativity is not true. i don't have much knolege in that area, i am only saying that the instrument used for a measurement does not alter the mater or time itself. :)
soulessnessD (October 3, 2008 at 4:05 am)
my teacher wants to know what will happen if you can travel at the speed of light in a space ship then turn on your headlights, would the speed of the headlights be 2x the speed of light?