The Economic Times (from the NYT News Service; India, July 16) -- There really isn’t that much of a difference between estimating the path (and speed) of a missile and figuring out what kind of exercise you’re doing at the gym. U. of I. graduate student Adam Tilton and his advisor, mechanical science and engineering professor Prashant Mehta, developed Rithmio, a software startup that seeks to make it easier to add accurate gesture and activity recognition to all kinds of wearable gadgets. Also: Built In Chicago (July 20).