iCandy: Checking Things Out

A space telescope's mirror array, a liquid scanner at airports, and a body-mounted video camera are among the tools for examining what's around us

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Photo: Rex Features/AP Photo
Players, referees, and fans of soccer say “the beautiful game” is being marred by players who pretend to be struck by opponents in order to draw foul calls. To end the unsportsmanlike practice, known as taking a dive, engineers have developed antidiving shin pads. Each contains a proximity sensor and an impact sensor; when both are set off, the system automatically calls a foul. The pads are even smart enough to tell a real foul from a player kicking himself in the shin.

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