Sent to you by nunok via Google Reader:
via Boing Boing by Mark Frauenfelder on 1/6/12
[Video Link] Becky Stern made this video about her cool pulse-sensing headband, which makes a heart-shaped LED array flash in time to your heartbeat. You can build one yourself by following the instructions at Make: Projects. It's also one of many cool "DIY Superhuman" projects that we have in Make Vol 29, which is will hit newsstands soon!
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