How long does it take an electron to tunnel?

The combination of ab-initio numerical experiments and theory shows that optical tunnelling of an electron from an atom can occur instantaneously.

Wearable sensors gather lots of data—now to make it useful

It's not just about how many steps you've taken or how many calories you've burned in a day. Wearable fitness trackers and health monitors are becoming more commonplace and diverse, but just what do you do with all of that ...

Best image yet of atoms moving in real time produced (w/ video)

Call it the ultimate nature documentary. Scientists at the University of Toronto have recorded atomic motions in real time, offering a glimpse into the very essence of chemistry and biology at the atomic level. Their recording ...

Samsung sees record-high 4Q profit

Samsung Electronics Co., the world's largest technology company by revenue, expects record earnings for the fourth quarter of 2012 as shoppers continued to snap up its smartphones and tablets.

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