POPSCI'S 21ST ANNUAL BEST OF WHAT'S NEW


Every year, PopSci honors the top 100 innovations in categories such as consumer products, medical tech and engineering.

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  • Knol vs. Wikipedia

    Will Google's Knol site surpass Wikipedia in page views by the end of 2009?

  • Pennies Phased Out

    Will the U.S. Government phase out the penny by 2009 in order to conserve metal resources?

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