KnowLimits

u/KnowLimits@lemmy.world
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The mirrors are flat, and the sun has an apparent diameter of about half a degree, so at 100 km, the spot diameter would be 900 meters.

You could use concave mirrors, but since you're moving them independently, you'd also have to consider the diffraction limit for each one.

If only there were some extensive property of matter we could multiply with the temperature to compute a weighted average. That would be massively helpful.

Along those lines, what if communities could suggest other related communities, and clients could (by default, but optionally) also show posts that the communities your subscribe to recommend?

It's a little like soft federation, but on the client side - or, think of it like an automatic way to make multi subs while still allowing users to change it, and giving mods a less nuclear option if they don't like how a community on another instance is going.

Oxo makes a grinder with a scale, which has been working well for me for a few years with no cleaning. l did have to modify it a bit to remove a safety thing and attach a bent wire to the top of the blade to stir the beans to help them feed, since the angle of the bottom of the hopper is too shallow. But it wasn't very expensive.