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xkcd #2929: Good and Bad Ideas (imgs.xkcd.com)

submitted 11 months ago by [email protected] to c/[email protected]

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https://xkcd.com/2929

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While it seemed like a fun prank at the time, I realize my prank fire extinguishers full of leaded gasoline were a mistake.

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[–] [email protected] -1 points 11 months ago

They work based on UV light. So they will not transition inside cars. They also will not transition in cold weather, so you'll walk in snow with clear glasses and have dark ones for 5 minutes once you go inside.

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