Electromantics phenomena

  • Thread starter JPC
  • Start date
  • #1
JPC
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hey

if you have like 2 electromagnets a few light years away from each other

lets say if u turn them on at the same time (ok lets say they're very very powerful)

will they react to the new magnetic field instantly , or will we have to wait a few years for the photons to go from one electromagnet to the other


if answer : instantly :
how is this possible ?
 

Answers and Replies

  • #2
mathman
Science Advisor
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They will have to wait for the photons to traverse the distance.
 
  • #3
ranger
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Which brings up a next point. Nothing is instantaneous.
 
  • #4
HallsofIvy
Science Advisor
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Oh- electromagnets. I thought this was going to be about applying electricity to romance! I'm disappointed.
 
  • #5
JPC
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but hey

is gravity instatanuous or do we have to wait for the gravitons to travel the distance ?

if not instatanous :
is the graviton speed equal to c ?
 
  • #6
sas3
Gold Member
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Which brings up a next point. Nothing is instantaneous.

So if we can find out what what "Nothing" is made of we could travel faster then light.
 
  • #7
sas3
Gold Member
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The force of Gravity travels at the speed of light.
 
  • #8
JPC
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So if we can find out what what "Nothing" is made of we could travel faster then light.


I think it would be more rational to just try to get at least to a tenth of c , before we try that
 

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