We may receive a commission on purchases made from links. There's a certain charm in seeing simple electronic systems at work. Don't you just get excited as you watch a mobile robot solve a maze or ...

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He does not have a high-tech laboratory or expensive equipment. With cardboard, wires, batteries, motors and discarded ...

I spent months testing nine robot lawn mowers in my tricky backyard. Here are the five that handled it best. Editors’ note, ...