Neil deGrasse Tyson @neiltyson
@IbolyaRobinson @DavidHardman_CA @svtriteia That’s a correct understanding. Speed of light is squared in E=Mc^2 simply because the units for energy invoke a velocity squared. Classical kinetic energy takes the same form, but with a 1/2 in it: KE = 1/2 m v^2 — PolitiTweet.org
