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A new gadget that tells you how hard those muscles are working

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There are all kinds of ways to geek out at the gym, from devices to track your heart rate or hydration levels to how many calories you burn. But none of them could give Leonard MacEachern the data he wanted from his workouts. So the Carleton professor of electrical engineering - with the help of some students - came up with LEO, a wearable gadget that fills a niche in the fast-growing market for wearable computers. MacEachern joined us in studio to explain.


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