According to this design concept, breathing can charge your gadgets (Digital Trends)

[unable to retrieve full-text content]Digital Trends - We all breathe as a vital bodily function to keep ourselves alive, but aside from the health benefits of air-to-blood circulation (and, of course, not dying), one designer thinks breathing can also be an alternate source of electrically charging your devices.

Source: http://us.rd.yahoo.com/dailynews/rss/personaltech/*http%3A//news.yahoo.com/s/digitaltrends/20120301/tc_digitaltrends/accordingtothisdesignconceptbreathingcanchargeyourgadgets

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