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
2 months, 3 weeks 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
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