Secret History of Silicon Valley [ During WW2, silicon valley was a hotbed of ] [ research in radio and sensing technology. ] [ It's longis

Secret History of Silicon Valley [ During WW2, silicon valley was a hotbed of ] [ research in radio and sensing technology. ] [ It's longish but an interesting history lesson. ] http://www.youtube.com/watch?v=ZTC_RxWN_xo http://www.youtube.com/watch?v=ZTC_RxWN_xo