I may be in the dark here but many of the media-dependent constants like permeability, permittivity and even the speed of light are ALMOST identical in both media ie. vacuum and the atmosphere of the Earth. This exists even though the 2 are very different because one is almost empty and the...
What is the need to find the speed of light in a specific medium ?
How will knowing that light travels at 0.723c in gelatin going to help us ?
not just gelatin but any medium in general