According to the Theory of Relativity, the speed of light is constant. Why is it that it has different speeds in air, a vacuum, glass, etc. (I know it's because of the
![Speed, " Galileo speed " and " Einstein speed. " A light ray departs... | Download Scientific Diagram Speed, " Galileo speed " and " Einstein speed. " A light ray departs... | Download Scientific Diagram](https://www.researchgate.net/profile/Vasco-Guerra/publication/227334519/figure/fig5/AS:341621498499079@1458460320650/Speed-Galileo-speed-and-Einstein-speed-A-light-ray-departs-from-point-E-toward.png)
Speed, " Galileo speed " and " Einstein speed. " A light ray departs... | Download Scientific Diagram
![PDF) Neutrino speed can exceed the speed of light within the frame work of the generlized special relativity and savckas model PDF) Neutrino speed can exceed the speed of light within the frame work of the generlized special relativity and savckas model](https://i1.rgstatic.net/publication/276493054_Neutrino_speed_can_exceed_the_speed_of_light_within_the_frame_work_of_the_generlized_special_relativity_and_savckas_model/links/5ac946d4aca272abdc60f28d/largepreview.png)
PDF) Neutrino speed can exceed the speed of light within the frame work of the generlized special relativity and savckas model
![Speed of Light and the Principle of Relativity - Special and General Relativity - The Physics of the Universe Speed of Light and the Principle of Relativity - Special and General Relativity - The Physics of the Universe](https://www.physicsoftheuniverse.com/images/relativity_speed_of_light.jpg)