It sounds like something out of Star Trek: a patch thinner than a band-aid that you slap on your arm and, within moments, it lights up with heart rate, blood sugar, and so on -- then peels off a few d
<img src="http://www.crunchgear.com/wp-content/uploads/2009/12/eskin-02-h.jpg" />E-ink is cool, sure, but it's still largely a black-and-white technology. Philips Research has moved into the color rea