IBM creates a bit of data using only 12 iron atoms

Letter S

Miniaturized information storage in atomic-scale antiferromagnets. The binary representation of the letter ‘S’ (01010011) was stored in the Neel states of eight iron atom arrays.

After five years of work, IBM announced on Thursday that its researchers have been able to reduce from about one million to 12 the number of atoms required to create a bit of data. (video)

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Turning Seawater Into Jet Fuel

jet

Faced with global warming and potential oil shortages, the US navy is experimenting with making jet fuel from seawater.

Navy chemists have processed seawater into unsaturated short-chain hydrocarbons that with further refining could be made into kerosene-based jet fuel. But they will have to find a clean energy source to power the reactions if the end product is to be carbon neutral.

 

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Nanoball Batteries Could Recharge Electric Cars In Minutes

Nanoball Batteries Could Recharge Electric Cars In Minutes

 A sample of the new battery material.

Researchers at MIT have designed a new battery that can recharge devices about 100 times faster than conventional lithium ion batteries. The design could lead to electric car batteries that charge in 5 minutes (compared with 8 hours in today’s electric cars) and cell phone batteries that charge in just 10 seconds.

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New Spin Record Set By Matchbook-Sized Motor

New Spin Record Set By Matchbook-Sized Motor 

 Test of the new motor from ETH Zurich’s Department of Power Electronics exceeds 1,000,000 rpm in the digital readout.

Industrial motors can spin at a head-spinning 250,000 revolutions per minute. But a new matchbook-sized motor runs circles around the competition.

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