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ScienceDaily: Computers & Math News |
| Spintronics: Improving electronics with finer spin control Posted: 18 May 2021 08:42 AM PDT Scientists have found a new way to control the alignment state of magnetic atoms in an antiferromagnetic material, showing promise for the development of tiny sensors and memory devices. Researchers now describe their new approach featuring a controllable exchange bias effect, which enables the asymmetric magnetic actions of devices comprised of complex combination structure of different types of magnetic materials. |
| Engineers harvest WiFi signals to power small electronics Posted: 18 May 2021 08:41 AM PDT A research team has developed new technology that uses tiny smart devices known as spin-torque oscillators to harvest and convert wireless radio frequencies into energy to power small electronics. |
| New material could create 'neurons' and 'synapses' for new computers Posted: 18 May 2021 08:41 AM PDT Classic computers use binary values (0/1) to perform. By contrast, our brain cells can use more values to operate, making them more energy-efficient than computers. This is why scientists are interested in neuromorphic (brain-like) computing. Physicists have used a complex oxide to create elements comparable to the neurons and synapses in the brain using spins, a magnetic property of electrons. |
| Machine learning (AI) accurately predicts cardiac arrest risk Posted: 17 May 2021 04:46 PM PDT A branch of artificial intelligence (AI), called machine learning, can accurately predict the risk of an out of hospital cardiac arrest -- when the heart suddenly stops beating -- using a combination of timing and weather data. |
| Algorithm to see inside materials with subatomic particles Posted: 17 May 2021 09:49 AM PDT Scientists have developed an algorithm to train computers to analyze signals from subatomic particles embedded in advanced electronic materials. |
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