http://www.dumpalink.com/media/1150629071/See-through_Touch_screen
thought you might like this
fryedman
http://news.nationalgeographic.com/news/2003/03/0318_030318_internet.html
thought you might like this
fryedman
http://news.nationalgeographic.com/news/2003/03/0318_030318_internet.html