peter bohacek: video physics problems Published 12 years ago • 251 plays • Length 1:01:57 Download video MP4 Download video MP3 Similar videos 5:45 9 amazing science gadgets! 7:13 quantum physics explained from the ground up (no math) 5:44 the physics of time travel, by dr pieter kok 27:41 hsc physics 2-01 15:22 tedxnyed - april 28, 2012 - frank noschese 1:34 direct measurement physics: gravity-powered clock time lapse