Difference between revisions of "Action at a distance"

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* Newtonian gravity
 
* Newtonian gravity
* [[Electrostatics]] (before Maxwell's equations in the 1800s)
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* [[Electrostatics]] (before [[Maxwell's equations]] in the 1800s)
* Quantum entanglement within [[quantum mechanics]] (called "non-locality")
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* [[Quantum entanglement]] within [[quantum mechanics]] (called "non-locality")
  
Some scientists have long resisted the possibility of action at at distance (non-locality), and the [[theory of relativity]] assumes that information traveling instantaneously, or faster than the speed of light, is impossible.
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Some scientists have long resisted the possibility of action at at distance (non-locality), and the [[theory of relativity]] assumes that information travelling instantaneously, or faster than the [[speed of light]], is impossible. Quantum entanglement therefore appears to violate relativity as one particle affects another instantaneously. However, no information can be encoded with the particles, so no information can be sent faster than the speed of light, in accordance with relativity.
  
 
Several theories have been developed as ways of denying '''action at a distance''' (non-locality).  These include:
 
Several theories have been developed as ways of denying '''action at a distance''' (non-locality).  These include:

Revision as of 14:04, December 14, 2016

Action at a distance consists of affecting a distant body instantaneously. At the atomic level, this is known as "non-locality".

Examples of action at a distance in physics are:

Some scientists have long resisted the possibility of action at at distance (non-locality), and the theory of relativity assumes that information travelling instantaneously, or faster than the speed of light, is impossible. Quantum entanglement therefore appears to violate relativity as one particle affects another instantaneously. However, no information can be encoded with the particles, so no information can be sent faster than the speed of light, in accordance with relativity.

Several theories have been developed as ways of denying action at a distance (non-locality). These include: