Lasers have been around since the 1960s, but today’s highly accurate versions are transforming surgery, computing, engineering and mapping.
Via Tech Feed http://bbc.in/2fN2CAC
1 week ago
Assume that your immediate family was tied to a bomb and was about to die in an explosion. For some unknown reason, you are the only one that can save them, you can’t get help and you are on a timer. 655 more words
8 months, 1 week ago