Chop A Magnet In Two, And It Becomes Two Smaller Magnets. Slice Again To Make Four. But The Smaller Magnets

Magnetic hard drives go atomic
Physicists demonstrate the first single-atom magnetic storage.

Chop a magnet in two, and it becomes two smaller magnets. Slice again to make four. But the smaller magnets get, the more unstable they become; their magnetic fields tend to flip polarity from one moment to the next. Now, however, physicists have managed to create a stable magnet from a single atom.

The team, who published their work in Nature on 8 March1, used their single-atom magnets to make an atomic hard drive. The rewritable device, made from 2 such magnets, is able to store just 2 bits of data, but scaled-up systems could increase hard-drive storage density by 1,000 times, says Fabian Natterer, a physicist at the Swiss Federal Institute of Technology (EPFL) in Lausanne, and author of the paper.

“It’s a landmark achievement,” says Sander Otte, a physicist at Delft University of Technology in the Netherlands. “Finally, magnetic stability has been demonstrated undeniably in a single atom.”

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um guys?

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8 years ago

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bro 2: what is it bro

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bro 2: bro why

bro 1: cause bro ur all mine

bro 2: b rO WTF BROoo


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Drunk Science

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