Posts Tagged ‘Bill Hammack’

How Quartz Watches Work

Wednesday, January 5th, 2011

Since I’ve no doubt this is a topic that has kept you awake at night, I offer you Bill Hammack, professor of Chemical & Biomolecular Engineering at the University of Illinois, who explains how a quartz watch keeps ticking. Found at YouTube from engineerguyvideo.

How To Dissect A Photocopier

Wednesday, August 4th, 2010

Bill Hammack rips apart a photocopier and tells you how it works. Found at YouTube from engineerguyvideo.