Can Electromagnets Instantly Communicate Across Light Years?

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In summary, the conversation discusses the possibility of two electromagnets reacting to each other's magnetic fields instantly, or if there is a delay due to the time it takes for photons to travel the distance. It also questions the speed of gravity and the potential for faster than light travel. However, the idea is dismissed in favor of aiming for a tenth of the speed of light first.
  • #1
JPC
206
1
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 let's 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 ?
 
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  • #2
They will have to wait for the photons to traverse the distance.
 
  • #3
Which brings up a next point. Nothing is instantaneous.
 
  • #4
Oh- electromagnets. I thought this was going to be about applying electricity to romance! I'm disappointed.
 
  • #5
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
ranger said:
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
The force of Gravity travels at the speed of light.
 
  • #8
sas3 said:
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
 

1. What is electromagnetics phenomena?

Electromagnetics phenomena is a branch of physics that deals with the study of electromagnetic fields and their interactions with matter. It encompasses the study of electric and magnetic forces, fields, and waves.

2. How do electric and magnetic fields interact?

Electric and magnetic fields interact through a phenomenon known as electromagnetic induction. This occurs when a changing magnetic field creates an electric field, and vice versa. This is the basis for many technologies, such as generators and motors.

3. What are some examples of electromagnetic phenomena in everyday life?

Some common examples of electromagnetic phenomena include the transmission of radio and TV signals, the functioning of electronic devices such as cell phones and computers, and the production of light from sources such as light bulbs and the sun.

4. How are electromagnetics phenomena used in technology?

Electromagnetics phenomena are used in a wide range of technologies, including communication systems, medical equipment, transportation systems, and energy production. Electromagnetic principles are also used in the development of new technologies such as wireless charging and electromagnetic propulsion.

5. What are some current research areas in electromagnetics phenomena?

Current research in electromagnetics phenomena includes the development of new materials for electromagnetic applications, exploration of the potential of electromagnetic waves for wireless power transfer, and the study of the effects of electromagnetic fields on biological systems.

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