Classical physics also couldn’t explain why the speed of light was always constant. At that time, the prevailing belief was that the universe was filled with ether, a substance through which ...

Some thought the rays were a wave traveling through a mysterious "ether" which they thought permeated ... Thomson was a physics professor at Cambridge University in the UK. He placed cathode ...

The red DOT line in the chart shows that the centripetal forces of the planets at their respective positions do not correspond to the gravitational law Gravitational force = Centripetal force. The ...