Lasers
SciShow Tangents
00:00
I Love Lasers, but They Never Are
Lasers have been a figment of our creative imaginations for some time. But their uses aren't limited to science fiction. Scientists are finding very real ways to use lasers to make things that sound made up but are not. Today, we're going to be telling you a tale of three things made with lasers. And two of them are just plain lies. So tell us which one the true one is.
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