What's This Stuff? Asks David Pogue

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Discover the identities of these ten "mystery materials" and prove that you know your stuff. Some of them may be familiar, some may not, but all are examples of amazing materials science at work.

Watch this video to get started.

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Grand Prize includes a MacBook Air, $100 iTunes gift card, and the chance to have a video chat with David Pogue, NY Times Technology reporter and host of NOVA's Making Stuff series.

Ten Runners-up will each get an iPod Touch.

The contest is now closed.