Close-up

The Celestron LCD Digital Microscope was on display during a press event at the Venetian for the 2008 International Consumer Electronics Show January 5, 2008 in Las Vegas, Nevada. The product, which is available for USD 299, has up to a 1,600 zoom and can use a USB cable to transmit images onto a computer screen. CES, the world's largest annual consumer technology tradeshow, runs in January everyyear and features 2,700 exhibitors showing off their latest products and services to more than 140,000 attendees. (Photo by Ethan Miller/Getty Images)

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• Scanning Tunneling Microscope