Building A Time Machine
from the cool-stuff dept
Found this one over at Geekpress. New Scientist has an article about a scientist (a new one, perhaps?) who may have figured out a way to make a time machine. While there's still (obviously) a ton of work to be done, and a ridiculous number of questions, the physics (so far) seem solid. People haven't been able to poke a hole in his theories yet. Of course, I always considered the idea of a time machine to be unlikely because wouldn't we have seen people come back from the future already to tell us about it? With this particular time machine - there may be an answer to that. If this could be created you could only travel as far back as when the time machine turned on, since it works by building a loop in time. So, people could never come back further than when the time machine was first created.
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Watch me poke a hole in his theory
Time is defined as a parameter for denoting change. Thus, changing from one point in a time dimension to another is self-referential and impossible. The standard equation for velocity is v = dx/dt (velocity = distance x over elapsed time t). In order to achieve velocity in a time dimension (time travel), the equation would have to be v = dt/dt. Anyone who's taken a simple pre-algebra class will tell you that this is logically impossible, and thus motion in spacetime is impossible.
Check out this insightful webpage for more information.
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Time Machine
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Time Machine
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Professor Ronald Mallet
The "test subject" for time travel will be a quantum particle and the proposed mechanism is pure general relativity, which means the experiment might well fall within the regime where "quantum gravity" effects are important. This could be the primary value of the experiment -- there is no accepted theory of quantum gravity and no experimental data from such regimes. The New Scientist article didn't seem to point this out.
Well maybe this is my excuse to send an email to an old professor after many years, and also get a hold of preprints of his recent papers. Dr Eric
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Time Travel Posibilites.
hmmm...
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Time machine
Let's see these featured magic pieces of paper and cabalistic writing.
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how can it be done?
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