In the past half-century, lasers have gone from expensive physics experiments using rods of ruby to cheap cutting or engraving tools, and toys used to tease cats. Advances in physics made it all ...
[youtube=https://www.youtube.com/watch?v=ZUevWmUViJM&w=580] We were again pleased to find another person who attended Maker Faire just to show off the awesome and not ...
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