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ScienceDaily: Computers & Math News |
| Semiconductors reach the quantum world Posted: 22 Dec 2021 12:29 PM PST Quantum effects in superconductors could give semiconductor technology a new twist. Researchers have identified a composite material that could integrate quantum devices into semiconductor technology, making electronic components significantly more powerful. |
| Quantum marbles in a bowl of light Posted: 22 Dec 2021 12:11 PM PST Which factors determine how fast a quantum computer can perform its calculations? Physicists have devised an elegant experiment to answer this question. |
| Machine learning models quantum devices Posted: 22 Dec 2021 05:40 AM PST Technologies that take advantage of novel quantum mechanical behaviors are likely to become commonplace in the near future. These may include devices that use quantum information as input and output data, which require careful verification due to inherent uncertainties. The verification is more challenging if the device is time dependent when the output depends on past inputs. For the first time, researchers using machine learning dramatically improved the efficiency of verification for time-dependent quantum devices by incorporating a certain memory effect present in these systems. |
| Could EKGs help doctors use AI to detect pulmonary embolisms? Posted: 21 Dec 2021 01:27 PM PST Pulmonary embolisms are dangerous, lung-clogging blot clots. In a pilot study, scientists showed that artificial intelligence (AI) algorithms can detect signs of these clots in electrocardiograms (EKGs), a finding which may one day help doctors with screening. |
| A new platform for controlled design of printed electronics with 2D materials Posted: 21 Dec 2021 10:35 AM PST Scientists have shown how electricity is transported in printed 2D materials, paving the way for design of flexible devices for healthcare and beyond. |
| Computer simulation models potential asteroid collisions Posted: 21 Dec 2021 10:33 AM PST Researchers have developed a computer simulation of asteroid collisions that initially sought to replicate model asteroid strikes performed in a laboratory. After verifying the accuracy of the simulation, he believes it could be used to predict the result of future asteroid impacts or to learn more about past impacts by studying their craters. The simulation was built using the space-time conservation element and solution element method to model shock waves and other acoustic problems. |
| Researchers develop new measurements for designing cooler electronics Posted: 21 Dec 2021 07:42 AM PST Researchers have observed interfacial phonon modes which only exist at the interface between silicon (Si) and germanium (Ge). This discovery shows experimentally that decades-old conventional theories for interfacial heat transfer are not complete and the inclusion of these phonon modes are warranted. |
| Study finds artificial intelligence accurately detects fractures on x-rays, alert human readers Posted: 21 Dec 2021 07:28 AM PST Emergency room and urgent care clinics are typically busy and patients often have to wait many hours before they can be seen, evaluated and receive treatment. Waiting for x-rays to be interpreted by radiologists can contribute to this long wait time because radiologists often read x-rays for a large number of patients. A new study has found that artificial intelligence (AI) can help physicians in interpreting x-rays after an injury and suspected fracture. |
| Face detection in untrained deep neural networks? Posted: 21 Dec 2021 07:27 AM PST Researchers have found that higher visual cognitive functions can arise spontaneously in untrained neural networks. A research team has shown that visual selectivity of facial images can arise even in completely untrained deep neural networks. This new finding has provided revelatory insights into mechanisms underlying the development of cognitive functions in both biological and artificial neural networks, also making a significant impact on our understanding of the origin of early brain functions before sensory experiences. |
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