Z Corporation's ZScanner is something you should point at a cop only if you want to see the puzzled expression on his face while he decides whether or not he's going to have to shoot you. The space-phaser-looking device does in fact fire lasers, but for the purposes of scanning even fiendishly complicated forms in 3D, like the bike helmet shown below.
Z Corporation's Weng Lam shows you how it's done:
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