this post was submitted on 29 Apr 2024
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Technology Connections - The simple, clever sensor behind automatic windshield wipers (youtu.be)
submitted 4 months ago by simplejack@lemmy.world to c/videos@lemmy.world
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[–] turmacar@lemmy.world 2 points 4 months ago

Also a gas! Astronomical spectroscopy is fascinating.

"The star radiates at [these] wavelengths meaning it has [this] composition, after the light bounces off/through the planet we see wavelengths, meaning it has composition."