If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.
Phase-coherent lasers are crucial for many precision tasks, including timekeeping. Here on Earth the most stable optical ...
You may or may not be reading this on a smartphone, but odds are that even if you aren’t, you own one. Well, possess one, ...
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