3 January 2011

Found on: http://www.youtube.com/watch?v=1pM6uD8nePo&feature=autoshare

Ich mag ein YouTube-Video.: The amazing everyday wristwatch: We never think about it, but only because engineers have made it so reliable and durable that we don't need to. At its heart lies a tiny tuning fork made of the mineral quartz. In this video Bill takes apart a che...

video youtube mineral_quartz quartz_watch how science