What if instead of wearing a watch, you had a light-up sensor thinner than your skin, taped to your hand, that would constantly tell you the time, temperature, and your vital signs?
You could simply glance down at your other hand to read your incoming messages.
It's a crazy futuristic idea, but researchers at the University of Tokyo are working to design such devices today.
They've developed thin-film electronic sensors that they call "e-skin."
The e-skin gets laminated onto your hand...