Message boards : MilkyWay@home Science : A possible method for faster-than-light information.
I just had a thought and I'm wondering if anyone could take a look at it and see if there are any problems with it. According to Einstein, information cannot travel faster than the speed of light. But imagine that there are two stationary planets 1 light year separated. Then imagine I build a rod between them so that it it touching each planet. Realistically, of course this is impossible, but isn't it theoretically possible that people on one end could move the rod back and forth, tapping the other planet and transmitting instantaneous information via Morse code?
|ID: 50713 | Rating: 0 | rate: / Reply Quote|
This thought experiment has been explored before. Assuming that you were able to set up the situation as you described, it seems as though one could transmit instantaneous information along the rod. Unfortunately, we are assuming that the rod behaves as a "rigid body." A rigid body is an object that is perfectly solid, such that any force applied is felt by the entire object at once, with rotations behaving similarly. Simply put, a rigid body does not deform (bend, stretch or twist) at all.
|ID: 50716 | Rating: 0 | rate: / Reply Quote|
I've been fascinated by this kind of problem for some time. In engineering circles I think the phenomena is called "pogoing". Consider the Saturn V at the moment of takeoff. The five F-1 engines are at full power and the hold-down clamps are released. At that moment in time the bottom (or rear) of the rocket begins to accelerate, slowly at first. The top of the rocket where the astronauts are sitting is momentarily at a standstill while the rear of the rocket has started upward with the main body of the rocket compressing slightly. Then the top of the rocket "catches up" with the rear of the rocket and begins it's acceleration, but rather than simply catching up with the forward motion the top of the rocket overshoots slightly, by only a few inches at first then snaps back to it's original dimension but slightly overshooting there as well.
|ID: 51105 | Rating: 0 | rate: / Reply Quote|
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MilkyWay@home Science :
A possible method for faster-than-light information.