What is this thing?

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[Solved] Anyone know what this is? They are embedded in the sidewalks around the city (programming.dev)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

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Any ideas?

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[–] [email protected] 30 points 2 months ago

Yeah, this. You can step on one, and it's fine. Just don't step on two and complete the circuit, it's like boofing the third rail.

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