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ScienceDaily: Matter & Energy News |
| This rainbow-making tech could help autonomous vehicles read signs Posted: 31 Aug 2021 12:53 PM PDT A new study explains the science behind microscale concave interfaces (MCI) -- structures that reflect light to produce beautiful and potentially useful optical phenomena. Future applications of these effects could include aiding autonomous vehicles in recognizing traffic signs, researchers say. Multiple images, including of a sign created using the material, are available. |
| The right mixture of salts to get life started Posted: 31 Aug 2021 10:14 AM PDT A new study shows how a blend of salts in the presence of heat flows may have contributed to the formation of the first self-replicating biomolecules. |
| Using liquid metal to turn motion into electricity, even underwater Posted: 31 Aug 2021 10:14 AM PDT Researchers have created a soft, stretchable device that converts movement into electricity and works in both dry and wet environments. |
| Posted: 31 Aug 2021 10:13 AM PDT Scanning tunneling microscopes capture images of materials with atomic precision and can be used to manipulate individual molecules or atoms. Researchers have been using the instruments for many years to explore the world of nanoscopic phenomena. A new approach is now creating new possibilities for using the devices to study quantum effects. |
| Revealing the hidden structure of quantum entangled states Posted: 31 Aug 2021 08:19 AM PDT Researchers have shown how to quickly unravel quantum entangled systems, revealing the structure of a 100 dimensional state in mere minutes against decades for a full reconstruction. The work offers a new and fast tool for quantum computing and communication. |
| Posted: 31 Aug 2021 08:19 AM PDT There is a dictum to 'never change a running system'. New methods can however be far superior to older ones. While to date chemical reactions are mainly accelerated by catalytic materials that comprise several hundreds of atoms, the use of single atoms could provide a new approach for catalysis. An international research team has now developed a new method for anchoring individual atoms in a controlled and stable manner on surfaces. This is an important step towards single atom catalysis. |
| New artificial intelligence tech set to transform heart imaging Posted: 31 Aug 2021 08:19 AM PDT A new artificial-intelligence technology for heart imaging can improve care for patients, allowing doctors to examine their hearts for scar tissue while eliminating the need for contrast injections. |
| Compact speaker systems direct sound efficiently Posted: 31 Aug 2021 08:19 AM PDT Researchers have developed three designs for compact speaker systems that control the direction of sound more efficiently than previous models. For each speaker, the scientists were able to manipulate the timing and strength of the outgoing sound waves. They combined multiple speakers together into an array and used the constructive and destructive interference of sound waves to their advantage. |
| Physicist helps confirm a major advance in stellarator performance Posted: 31 Aug 2021 06:56 AM PDT Results of a heat-confinement experiment on the twisty Wendelstein 7-X stellarator in Germany could enable devices based on the W7-X design to lead to a practical fusion reactor. |
| A universal equation for the shape of an egg Posted: 27 Aug 2021 10:37 AM PDT Researchers have discovered a universal mathematical formula that can describe any bird's egg existing in nature -- a significant step in understanding not only the egg shape itself, but also how and why it evolved, thus making widespread biological and technological applications possible. |
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