25 chemistry experiments in 15 minutes | andrew szydlo | tedxnewcastle Published 5 years ago • 5.7M plays • Length 15:55 Download video MP4 Download video MP3 Similar videos 11:02 13 amazing experiments | chemical tricks that will blow your mind 17:49 everything is connected -- here's how: | tom chi | tedxtaipei 39:16 chemical electricity | szydlo's at home science 17:18 an explosive passion for teaching chemistry | andrew szydlo | tedxmanchester