Project safi Is a youtube channel makes content for all ages , he makes science more interesting and fun to understand, his content is mostly vlog style short videos 10:00 mints long , he also make documentary of different topics : like space, biology , math, quantum physics anatomy etc. Here is the trailer for his channel : Here is Project safi 's video he explains in urdu/hindi what if moon disappears ? Project safi explains how the moon is a safeguard of earth and if he is not there we would freez to death, here is another super awesome video About Library of babel , which is actually a thought experiment ,