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ScienceDaily: Computers & Math News |
| Correlated electrons ‘tango’ in a perovskite oxide at the extreme quantum limit Posted: 29 Sep 2021 12:41 PM PDT Scientists have found a rare quantum material in which electrons move in coordinated ways, essentially 'dancing.' Straining the material creates an electronic band structure that sets the stage for exotic, more tightly correlated behavior -- akin to tangoing -- among Dirac electrons, which are especially mobile electric charge carriers that may someday enable faster transistors. |
| Photonic chip is key to 'nurturing' quantum computers Posted: 29 Sep 2021 07:18 AM PDT Quantum computers are gaining pace. They promise to provide exponentially more computing power for certain very tricky problems. They do this by exploiting the peculiar behaviour of quantum particles, such as photons of light. A team has now shown how to protect qubits from errors using photons in a silicon chip. |
| An algorithm to predict psychotic illnesses Posted: 29 Sep 2021 06:26 AM PDT Researchers have used the method of longitudinal network analysis applied to children, in order to detect the symptoms that herald the development of psychotic illness in the future. |
| Great apes' consonant and vowel-like sounds travel over distance without losing meaning Posted: 28 Sep 2021 04:38 PM PDT Scientists have shown that orangutan call signals believed to be closest to the precursors to human language, travel through forest over long distances without losing their meaning. This throws into question the accepted mathematical model on the evolution of human speech. |
| Soft pressure sensor breakthrough solves field's most challenging bottleneck Posted: 28 Sep 2021 02:19 PM PDT Researchers solved one of the biggest problems with existing wearable pressure sensors: even the slightest amount of pressure, something as light as a tight long sleeve shirt over a sensor, can throw them off track -- and they did it by innovating a first-ever hybrid sensing approach that allows the device to possess properties of the two predominant types of sensors in use today. |
| Scientists demonstrated high-performance photodetectors (PDs) grown on SOI for silicon photonics Posted: 27 Sep 2021 10:20 AM PDT A research team has recently developed a novel semiconductor deposition scheme and demonstrated high-performance photodetectors (PDs) grown on silicon-on-insulators (SOI) for silicon photonics. These III-V photodetectors are qualified candidates for high-speed data communications in silicon photonics. These results point to a practical solution for the monolithic integration of III-V active devices and Si-based passive devices on the SOI platform in the future. |
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