Not The Onion

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kescusay@lemmy.world

Reflect Orbital sells sunlight at night, but don't trust that fancy video (mashable.com)

submitted 2 months ago by rxin@lemmy.blahaj.zone to c/nottheonion@lemmy.world

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cross-posted from: https://lemmy.world/post/19090299

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[–] tal@lemmy.today 10 points 2 months ago* (last edited 2 months ago) (1 children)

"I want a spot, but I want all of my sunlight focused onto a spot about a centimeter across. I'll give you the coordinates."

[–] deegeese@sopuli.xyz 1 points 2 months ago (1 children)

Because the sun is not a point source but a disk half a degree across, you can’t focus the sun tighter than about a 1km spot from a mirror in low earth orbit.

[–] Maggoty@lemmy.world 1 points 2 months ago

Okay but can we make that 1 km hot enough to burn everything inside of it?

For science of course.