Portal:Physics/Did you know/1


 * ... that gold leaf is about 500 atoms thick?


 * ... that, in the Large Hadron Collider, protons move at 99.9999991% the speed of light when accelerated with the energy of 7 TeV?


 * ... that, at a speed of 299,792,458 m/s, light can travel from the Earth to the Moon in 1.2 seconds?