What he came up with is this air-powered Nerf gun that definitely leaves a mark. The video after the break is a show-and-tell, a build log, and finally a demonstration of its power. He adds a nail ...

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We’ve previously seen him gliding R/C planes from the edge of space and building afterburners as ... [David] started with a seriously big Nerf gun. He cut off the front half of the gun and ...

Sean Hollister is a senior editor and founding member of The Verge who covers gadgets, games, and toys. He spent 15 years editing the likes of CNET, Gizmodo, and Engadget. It was a beautiful ...