ScienceDaily: Matter & Energy News |
| Robots use fear to fight invasive fish Posted: 16 Dec 2021 11:59 AM PST The invasive mosquitofish (Gambusia holbrooki) chews off the tails of freshwater fishes and tadpoles, leaving the native animals to perish while dining on other fishes' and amphibians' eggs. Researchers engineered a robot to scare mosquitofish away, revealing how fear alters its behavior, physiology, fertility -- and may help turn the tide against invasive species. |
| Nanodiamonds are key to efficient hydrogen purification Posted: 16 Dec 2021 11:59 AM PST Researchers describe how nanodiamond-reinforced composite membranes can purify hydrogen from its humid mixtures, making the hydrogen generation processes vastly more efficient and cost-effective. |
| A quantum view of 'combs' of light Posted: 16 Dec 2021 11:59 AM PST Frequency microcombs are specialized light sources that can function as light-based clocks, rulers and sensors to measure time, distance and molecular composition with high precision. New research presents a novel tool for investigating the quantum characteristics of these sources. |
| Energy-saving glass 'self-adapts' to heating and cooling demand Posted: 16 Dec 2021 11:50 AM PST Scientists have developed a material that, when coated on a glass window panel, can effectively self-adapt to heat or cool rooms across different climate zones in the world, helping to cut energy usage. |
| How crowds can make bridges wobble and sway Posted: 15 Dec 2021 05:41 PM PST Researchers have uncovered a surprising new explanation for why pedestrian bridges can suddenly start to wobble and sway: too many people crossing at once and simply trying not to fall over. |
| Breakthrough in using CRISPR-Cas9 to target fat cells Posted: 15 Dec 2021 05:41 PM PST Researchers describe a breakthrough using CRISPR-Cas9, a tool that has transformed molecular biological research, but whose use in the study of adipose tissue had been elusive. |
| A robotic hand with a gecko-inspired grip Posted: 15 Dec 2021 05:40 PM PST Aiming to create a robotic gripper that can grasp with delicate strength, researchers combine adhesives based on gecko toes with a customized robotic hand. |
| Posted: 15 Dec 2021 05:40 PM PST Researchers developed a new, faster, less expensive method for screening billions of chemical compounds to find new, targeted drug therapies. |
| Skin sensing made easier: Improved methods facilitate monitoring of body movement and health Posted: 15 Dec 2021 11:22 AM PST Scientists simplify fabrication methods and model human skin structure in designing wearable sensors. This methodology reduces costs, enhances scalability and modular fabrication, and provides effective, wide-ranging sensitivity in wearable pressure sensors. |
| Innovative textile vents to release heat when you sweat Posted: 15 Dec 2021 11:21 AM PST Materials scientists have developed a lightweight material that traps thermal energy when dry, but when the person starts sweating, opens a series of tiny vents to let heat escape and re-closes them to retain heat once they are dry again. Using physics rather than electronics to open the vents, the material has potential as a patch on various types of clothing to help keep the wearer comfortable in a wide range of situations. |
| Soft semiconductors that stretch like human skin can detect ultra-low light levels Posted: 15 Dec 2021 11:20 AM PST Researchers have demonstrated a new photodetector material that acts like a second skin layer and is up to 200% more stretchable than its original dimension without significantly losing its electric current. The researchers say the soft flexible photodetectors could enhance the utility of medical wearable sensors and implantable devices, among other applications. |
| Scientists create stable materials for more efficient solar cells Posted: 15 Dec 2021 10:27 AM PST Researchers have developed a new process for producing stable perovskite materials to create more efficient solar cells. |
| Dark fiber seismic network finds missed aftershocks in Chinese earthquake Posted: 15 Dec 2021 10:26 AM PST Just days after a 2020 magnitude 5.1 earthquake in Tangshan, China, researchers turned nearly 8 kilometers of unused telecom fiber optic cable into a seismic array that detected dozens of aftershocks that were missed by permanent seismic stations. |
| Posted: 15 Dec 2021 08:32 AM PST Scientists develop a new method of synthesizing a promising membrane with superior performance during carbon dioxide removal from industrial emissions. |
| Posted: 14 Dec 2021 07:42 AM PST A new approach by chemists could help to significantly improve diagnostic tests based on PCR. The enzymes used are triggered by light pulses. |
| 'Crazy' light emitters: Physicists see an unusual quantum phenomenon Posted: 14 Dec 2021 07:41 AM PST Scientists have experimentally confirmed an unusual quantum phenomenon for the motion of luminescent electronic quasiparticles in atomically-thin semiconductors. |
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