The web is crawling with jokes, hoaxes and more insidious fakes. Digital-image experts aim to develop foolproof detection tools, but until then, seeing is not believing
Nike Free 5.0
Paragon CRT Contacts: Lenses that reshape your eye while you sleep.
Heart-rate monitor with built-in GPS gives endurance athletes their first accurate tool for tracking pace and distance.
Athletes who follow their heart now have a smart monitor to help them.
Small? Yes. Nifty? Yes. Accurate? Not always.
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