Shit, i was in physics and near shit myself THe place went black, and i thought i crashed THEN a light came on, and i saw a ball dropping, but it was only at like 8fps I thought "Shit, i need a new graphics card" Then i found out, the teacher turned out all the lights, put on a strobe light at 8flashes/s and dropped a ball so you could see its accelleration Dickhead.