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ScienceDaily: Top Technology News |
| Scientist reveals cause of lost magnetism at meteorite site Posted: 22 Nov 2021 10:55 AM PST A scientist has discovered a method for detecting and better defining meteorite impact sites that have long lost their tell-tale craters. The discovery could further the study of not only Earth's geology but also that of other bodies in our solar system. |
| One in five galaxies in the early universe could still be hidden behind cosmic dust Posted: 22 Nov 2021 10:55 AM PST Astronomers have discovered two previously invisible galaxies 29 billion light-years away. Their discovery suggests that up to one in five such distant galaxies remain hidden from our telescopes, camouflaged by cosmic dust. The new knowledge changes perceptions of our universe's evolution since the Big Bang. |
| High-speed propeller star is fastest spinning white dwarf Posted: 22 Nov 2021 10:54 AM PST A white dwarf star that completes a full rotation once every 25 seconds is the fastest spinning confirmed white dwarf, according to a team of astronomers. |
| How sugar-loving microbes could help power future cars Posted: 22 Nov 2021 10:53 AM PST It sounds like modern-day alchemy: Transforming sugar into hydrocarbons found in gasoline. But that's exactly what scientists have done. Researchers report harnessing the wonders of biology and chemistry to turn glucose (a type of sugar) into olefins (a type of hydrocarbon, and one of several types of molecules that make up gasoline). |
| Tech companies underreport CO2 emissions Posted: 18 Nov 2021 05:35 PM PST Companies in the digital technology industry are significantly underreporting the greenhouse gas emissions arising along the value chain of their products. Across a sample of 56 major tech companies surveyed, more than half of these emissions were excluded from self-reporting in 2019. At approximately 390 megatons carbon dioxide equivalents, the omitted emissions are in the same ballpark as the carbon footprint of Australia. The research team has developed a method for spotting sources of error and calculating the omitted disclosures. |
| Developing high-performance MXene electrodes for next-generation powerful battery Posted: 18 Nov 2021 05:35 PM PST Two-dimensional MXene has been a rising star in the energy world as this material can store energy fast. But their unstable voltage output limits their applications. A collaborative research team has recently developed battery-like electrochemical Nb2CTx MXene electrodes with stable voltage output and high energy density by using a high-voltage scanning strategy. These latest findings may lead to a breakthrough in inventing the powerful battery of the next generation. |
| Research team makes considerable advance in brain-inspired computing Posted: 16 Nov 2021 07:31 AM PST A lab, whose work is concentrated on neuromorphic computing or brain-inspired computing, has new research that introduces hardware improvements by harnessing a quality known as 'randomness' or 'stochasticity'. Their research contradicts the perception of randomness as a quality that will negatively impact computation results and demonstrates the utilization of finely controlled stochastic features in semiconductor devices to improve performing optimization. This has potential to create a more sophisticated building block for creating computers that can tackle sophisticated optimization problems, which can potentially be more efficient. What's more they can consume less power. |
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