The Jacob’s Ladder is an electrical device named after a biblical “ladder to Heaven”, consisting of a pair of vertically oriented conductors that spread apart vertically. These conductors are charged ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." A craft hack for “fractal wood burning” is killing American DIYers. It’s an amateur rig made of a ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? What you end up with is essentially a homemade Lichtenberg machine, an apparatus used ...

Want to climb a wall like Spiderman? No problem – just whip up a climbing rig with microwave oven transformers. And find a steel building. And rewrite the canon so that Peter Parker is bitten by an ...