The solar tube is a genius invention

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[TheDaxter]

Okay, but what about night, a super dark, cloudy day or a day with bad weather? What if you want it "off" so you can, say, watch a movie or play a game in a dark environment?

Also, this just feels like a fire starter waiting to happen, like when people use a magnifying glass to set fire to paper or something.

[patientzero]

He's missing reflective mirrors to brighten the inside of the home naturally like how Ancient people did.

[ЭтотГайДин]

I bet fires will start with that beam😅