User:Martin Hogbin/Speed of light

FA
Contents of this version [] which was just after FA.

* 1 Overview * 2 Communications * 3 Physics o 3.1 Constant velocity from all reference frames o 3.2 Interaction with transparent materials o 3.3 "Faster-than-light" observations and experiments o 3.4 Light-slowing experiments * 4 History o 4.1 Medieval and early modern theories o 4.2 Measurement of the speed of light o 4.3 Relativity * 5 See also * 6 References o 6.1 Historical references o 6.2 Modern references * 7 External links