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ScienceDaily: Matter & Energy News |
| Pop-up coffee table -- no assembly required Posted: 28 Jun 2021 02:06 PM PDT Researchers have developed a deployable system that is light, compact, inexpensive, easy to manufacture, and, most importantly, easy to deploy. By harnessing the mechanical instabilities in curved beams, the system can transform objects into elaborate and customizable 3D configurations on a range of scales, from large-scale furniture to small medical devices. |
| Storing carbon inn rocks underground: Old oil fields may be less prone to induced earthquakes Posted: 28 Jun 2021 02:05 PM PDT Subsurface carbon sequestration -- storing carbon in rocks deep underground -- offers a partial solution for removing carbon from the atmosphere. Used alongside emissions reductions, geologic carbon sequestration could help mitigate anthropogenic climate change. But like other underground operations, it comes with risks -- including earthquakes. |
| Using the ancient art of Kirigami to make an eyeball-like camera Posted: 28 Jun 2021 02:05 PM PDT Using Kirigami, the Japanese art of paper cutting, a mechanical engineer has developed a camera with a curvy, adaptable imaging sensor that could improve image quality in endoscopes, night-vision goggles, artificial compound eyes and fish-eye cameras. |
| How to build a better wind farm Posted: 28 Jun 2021 02:05 PM PDT Location, location, location -- when it comes to the placement of wind turbines, the old real estate adage applies, according to new research. |
| New type of metasurface allows unprecedented laser control Posted: 28 Jun 2021 02:05 PM PDT Researchers have developed a single metasurface that can effectively tune the different properties of laser light, including wavelength, without the need of additional optical components. The metasurface can split light into multiple beams and control their shape and intensity in an independent, precise and power-efficient way. |
| Striking gold: Synthesizing green gold nanoparticles for cancer therapy with biomolecules Posted: 28 Jun 2021 10:21 AM PDT Scientists have designed an eco-friendly protocol for synthesizing gold nanoparticles with optimized morphology for near-infrared light absorption using a biomolecule called B3 peptide. They report the synthesis of triangular and circular gold nanoplates and their effectiveness in killing cancer cells by converting the absorbed light into heat, providing useful insights for the development of non-invasive cancer therapy. |
| Deep machine learning completes information about the bioactivity of one million molecules Posted: 28 Jun 2021 10:21 AM PDT A newly developed tool predicts the biological activity of chemical compounds, key information to evaluate their therapeutic potential. Using artificial neural networks, scientists have inferred experimental data for a million compounds and have developed a package of programs to make estimates for any type of molecule. |
| Transforming the layered ferromagnet F5GT for future spintronics Posted: 28 Jun 2021 09:49 AM PDT Engineers have achieved record-high electron doping in a layered ferromagnet, causing magnetic phase transition -- with significant promise for future electronics. Control of magnetism by electric voltage is vital for developing future, low-energy high-speed nano-electronic and spintronic devices, such as spin-orbit torque devices and spin field-effect transistors. |
| Advanced care: Smart wound dressings with built-in healing sensors Posted: 28 Jun 2021 09:30 AM PDT New type of multifunctional wound dressings feature glowing nanosensors to track and monitor for infection. Harnessing the antimicrobial and anti-inflammatory power of magnesium hydroxide, the smart dressings can also fight bacteria and reduce inflammation to help promote healing. |
| A way to surmount supercooling Posted: 28 Jun 2021 09:30 AM PDT Researchers study the use of nanoparticles to induce crystallization of supercooled aqueous solutions to clathrate hydrates. On the basis of scanning electron microscopy images, they discovered that silver nanoparticles are much more effective compared with palladium or gold. This research may open the way for new latent heat energy storage materials via enhanced supercooling control. |
| Transient pacemaker harmlessly dissolves in body Posted: 28 Jun 2021 08:41 AM PDT The thin, flexible, lightweight device could be used in patients who need temporary pacing after cardiac surgery or while waiting for a permanent pacemaker. All components of the pacemaker are biocompatible and naturally absorb into the body's biofluids over the course of five to seven weeks, without needing surgical extraction. |
| New face mask prototype can detect COVID-19 infection Posted: 28 Jun 2021 08:41 AM PDT Engineers have designed a prototype face mask that can diagnose the person wearing the mask with Covid-19 within about 90 minutes. The technology can also be used to design wearable sensors for a variety of other pathogens or toxic chemicals. |
| Test distinguishes SARS-CoV-2 from other coronaviruses with 100-percent accuracy Posted: 25 Jun 2021 12:56 PM PDT Researchers have demonstrated a tablet-sized device that can reliably detect multiple COVID-19 antibodies and biomarkers simultaneously. Initial results show the test can distinguish between antibodies produced in response to SARS-CoV-2 and four other coronaviruses with 100-percent accuracy. The researchers are now working to see if the easy-to-use, energy-independent, point-of-care device can be used to predict the severity of a COVID-19 infection or a person's immunity against variants of the virus. |
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