A Tricorder for Star Trek fans. It was only a matter of time, but I often doubted that it would happen in MY lifetime - all I have to do is to live to see 2013.
Holy Spock! The Star Trek Medical Tricorder Is Real, And It’s Only $150.
"You simply place it on the left temple and, in less than ten seconds, it will read your pulse transit time, heart rate, electrical heart activity, temperature, heart rate variability and blood oxygenation. Then it sends this information to an app on your iPhone or Android phone, which displays it for you."