Silicon
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Solar cells still have plenty of room for improvement. Researchers at New York University Tandon have now developed thin film that boosts solar cell efficiency by converting wasted wavelengths of light into ones that can produce energy.
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Scientists have broken the efficiency record for tandem silicon-perovskite solar cells, surpassing the milestone of 30 percent for the first time. The new record takes the technology beyond the upper limits of silicon alone, using low-cost materials.
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Engineers have demonstrated a quantum integrated circuit made of just a few atoms. By precisely controlling the quantum states of the atoms, the processor can simulate the structure and properties of molecules, which could unlock new materials.
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US startup Enovix hopes to play its part in the electric vehicle revolution with a next-generation battery featuring a silicon anode, which it says can now be nearly completely recharged in less than 10 minutes.
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Heat is a major hurdle for electronic devices. Scientists have now found that nanowires made of a certain isotope of silicon can conduct heat 150 percent better than regular silicon, potentially leading to drastically cooler computer chips.
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Scientists at Japan's Hiroshima University have demonstrated a greener path forward in quantum dot manufacturing, by using discarded rice husks to produce the world's first silicon quantum dot LED light.
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Ampirus has shipped the first batch of what it calls the most energy-dense lithium batteries available today. These silicon anode cells hold 73 percent more energy than Tesla's Model 3 cells by weight, and take up 37 percent less volume.
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Three teams of scientists have achieved a major milestone in quantum computing. All three groups demonstrated better than 99 percent accuracy in silicon-based quantum devices, paving the way for practical, scalable, error-free quantum computers.
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As useful as steel is, its main weakness may be its vulnerability to corrosion. Researchers in Korea have now developed a new alloy coating that boosts steel’s resistance to rust, by adding a simple extra step in the surface treatment.
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A team of researchershas advanced development of a nanochip device that can reprogram cells in the body to become new blood vessels and nerve cells. It could be used to repair brain damage resulting from a stroke or nerve damage caused by diabetes.
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Through first-of-a-kind observations, researchers have gained new insights into the reasons why lithium batteries with silicon anodes quickly fail, and uncovered clues as to how this swift deterioration might be avoided.
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Quantum computers could one day outperform traditional machines, but hurdles remain. Now physicists have successfully entangled three silicon quantum dots for the first time, in a breakthrough that could help make quantum computers more practical.
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