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Comment by justaman | Hacker News Reader

I feel like this is a solvable problem for solar panels.

Yea, at the very least couldn’t you just have something like a windshield wiper periodically wiping the sand away? Or vibrate it so the sand falls off?

I just looked it up. It's pretty much a solved problem: https://youtu.be/yJ6kxipkem0?t=111

PV cleaning robots are off the shelf products.

It works for DSLR sensors.

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