Why Doesn't Ether Equal Spacetime?

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SUMMARY

The discussion centers on the distinction between electromagnetic radiation (EM radiation) and the concept of ether in relation to spacetime. Participants argue that while EM radiation behaves like a wave in spacetime, spacetime itself lacks a definable state of motion, which differentiates it from the classical notion of ether. This fundamental difference is crucial for understanding the nature of both EM radiation and spacetime in modern physics.

PREREQUISITES
  • Understanding of electromagnetic radiation principles
  • Familiarity with the concept of spacetime in physics
  • Knowledge of classical ether theories
  • Basic grasp of wave-particle duality
NEXT STEPS
  • Research the implications of spacetime in Einstein's theory of relativity
  • Explore the historical context of ether theories in physics
  • Study the properties of electromagnetic waves and their behavior in spacetime
  • Investigate current theories on the nature of spacetime and quantum mechanics
USEFUL FOR

Physicists, students of theoretical physics, and anyone interested in the foundational concepts of electromagnetism and spacetime dynamics.

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EM radiation seems like a wave traveling through spacetime so, why isn't spacetime the same as ether?
 
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Because it doesn't have a definable state of motion.
 

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