George Yu, CEO and founder of Variable Technologies, explains some of the capabilities of the Node device. The device incorporates various sensors -- including movement, heat, light and radioactivity -- into a palm-sized cylinder that connects to a smart phone via Bluetooth.
Photo by Jake Daniels .
published Monday, October 21st, 2013
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A Chattanooga startup is on the verge of winning a spot on Wal-Mart's virtual shelves, if online voters give it the thumbs up today in a contest against a cross-state rival.