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[Solved] Anyone know what this is? They are embedded in the sidewalks around the city
(programming.dev)
Let us help you identify that mysterious object you’ve found.
Currently in CHALLENGE mode: If you've got something obscure knocking about, post a picture, and let's see how we do. Please prefix such posts with "CHALLENGE:" so we know we've got a fighting chance.
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.