TechKnow 103: Heart in a box, electric cabs & a 3D-printed robotic arm

September 8, 2013 5:45PM ET

Hearts can live outside the body while being transplanted, hybrid taxis in New York and a Colorado teenage inventor


Join our expert contributors Phil Torres, Lindsay Moran and Kosta Grammatis as they investigate a new device that allows hearts and other organs to live outside the body, explore New York City's ambitious plan to convert its taxi fleet to electric cars and meet a teenager who used a 3-D printer to create a prosthetic, robotic arm.

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