<p>Assaf Biderman, co-inventor of the Copenhagen Wheel and Associate Director of the SENSEable City Laboratory at MIT, poses with his invention at Superpedestrian, his venture-backed company in Cambridge, Mass., on Dec. 12.</p>
December 21, 2013
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December 21, 2013 8 p.m.
High-tech startup hopes to change biking
CAMBRIDGE, Mass. - A Massachusetts startup is launching a new device that transforms almost any bicycle into an electric-hybrid vehicle using an app on a smartphone.