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Advances in selective laser sintering of polymers

Researchers at Fudan University, China, reviewed the fundamental mechanisms and recent developments in the selective laser sintering (SLS) of polymers, which is of great help for researchers to learn more about the fantastic additive manufacturing me.....»»

Category: topSource:  physorgNov 1st, 2022

Transferring laser-induced graphene at extremely low temperatures for ultrathin bioelectronics

A recent study published in Nature Electronics discusses stretchable graphene–hydrogel interfaces for wearable and implantable bioelectronics......»»

Category: topSource:  physorgRelated NewsJan 11th, 2024

Ultra-short laser flashes on demand: Controllable light pulse pairs from a single-fiber laser

In an innovative approach to controlling ultrashort laser flashes, researchers from the Universities of Bayreuth and Konstanz are using soliton physics and two pulse combs within a single laser. The method has the potential to drastically speed up an.....»»

Category: topSource:  physorgRelated NewsJan 11th, 2024

Tibetan plateau"s spring heat source exerts delayed influence on Northeast China"s summer precipitation

In a recent study published in Advances in Atmospheric Sciences, researchers from the Institute of Atmospheric Physics at the Chinese Academy of Sciences have uncovered the impact of the spring atmospheric heat source (AHS) over the Tibetan Plateau o.....»»

Category: topSource:  theglobeandmailRelated NewsJan 10th, 2024

Breakthrough in nonoxidative coupling of methane: Direct conversion to propylene in low temperature

Nonoxidative coupling of methane (NOCM) exhibits promising prospect in that it affords value-added hydrocarbons and hydrogen with high atom economy. However, the challenge remains in methane's direct, selective conversion to more valuable hydrocarbon.....»»

Category: topSource:  pcmagRelated NewsJan 10th, 2024

Precision coating boosts nanomedicine

A study published in the International Journal of Nanotechnology has looked at the controlled synthesis and coating of magnetic nanoparticles (MNPs), specifically using oleic acid (OA) and polyethylene glycol (PEG). These two well-studied polymers ca.....»»

Category: topSource:  physorgRelated NewsJan 9th, 2024

Process for the optical analysis of trace gases optimized

Laser-based absorption spectroscopy is an important method for determining the concentration of gas components in a sample. Modern devices are highly specialized for detecting very specific gases, such as trace gases in the atmosphere, in combustion.....»»

Category: topSource:  physorgRelated NewsJan 9th, 2024

Novel chemical recycling system for vinyl polymers of cyclic styrene derivatives

Chemical recycling of widely used vinyl polymers (VPs) is one of the key technologies required for realizing a sustainable society. In this regard, a team of researchers from Shinshu University have recently reported a new chemical process that facil.....»»

Category: topSource:  physorgRelated NewsJan 9th, 2024

Exploring developments and challenges in electrochemical nitrate reduction for ammonia synthesis

Ammonia is a necessary feedstock to produce nitrogen-based fertilizers, chemicals, pharmaceuticals, and polymers. To date, about 80% of global ammonia is used to produce nitrogen-based fertilizers which relates to 50% of global food production......»»

Category: topSource:  physorgRelated NewsJan 9th, 2024

Researchers reveal new findings on diamond rain on ice planets

An international team of researchers led by Dr. Mungo Frost from the SLAC research center in California has gained new insights into the formation of diamond rain on icy planets such as Neptune and Uranus, using the X-ray laser European XFEL in Schen.....»»

Category: topSource:  theglobeandmailRelated NewsJan 8th, 2024

Researchers produce first macromolecular model of plant secondary cell wall

A multidisciplinary approach has enabled researchers with the U.S. Department of Energy's (DOE's) National Renewable Energy Laboratory (NREL) to quantitatively define the relative positioning and arrangement of the polymers in Populus wood and to cre.....»»

Category: topSource:  physorgRelated NewsJan 8th, 2024

Report highlights farmers" concerns about cultured meat

While some U.K. farmers see the advances in the development of cultured, or cell-based meat, as potential competition to traditional meat production, others from the farming community have suggested it could create a premium for pasture-reared meat......»»

Category: topSource:  physorgRelated NewsJan 5th, 2024

Breaking the 10-petawatt limit with a new laser amplification

Ultra-intense ultrashort lasers have a wide-ranging scope of applications, encompassing basic physics, national security, industrial service, and health care. In basic physics, such lasers have become a powerful tool for researching strong-field lase.....»»

Category: topSource:  theglobeandmailRelated NewsJan 4th, 2024

Wearable solar-powered gadget automatically regulates body temperature

Made of flexible polymers, it could potentially fit in technical clothing. Enlarge / While the devices probably aren't compact enough for casual wear, they could integrate with technical clothing. (credit: NASA) There is.....»»

Category: topSource:  arstechnicaRelated NewsJan 4th, 2024

ChatGPT bombs test on diagnosing kids’ medical cases with 83% error rate

It was bad at recognizing relationships and needs selective training, researchers say. Enlarge / Dr. Greg House has a better rate of accurately diagnosing patients than ChatGPT. (credit: Getty | Alan Zenuk/NBCU Photo Bank/NBCUni.....»»

Category: topSource:  arstechnicaRelated NewsJan 4th, 2024

Laser scarecrows could offer a sustainable solution for protecting crops from birds

Damage to crops caused by birds costs millions of dollars each year. Now, researchers from the University of Florida and the University of Rhode Island in the US are investigating the effectiveness of laser scarecrows—a high-tech solution using lig.....»»

Category: topSource:  physorgRelated NewsJan 3rd, 2024

Researchers boost signal amplification in perovskite nanosheets

Perovskite materials are still attracting a lot of interest in solar cell applications. Now, the nanostructures of perovskite materials are being considered as a new laser medium. Over the years, light amplification in perovskite quantum dots has bee.....»»

Category: topSource:  theglobeandmailRelated NewsJan 3rd, 2024

Developments in dual-atom catalysts make renewable energy sources more efficient

The rapidly developing field of green energy constantly seeks improvements, and recent advances in dual-atom catalysts hold the potential to revolutionize energy conversion technologies......»»

Category: topSource:  physorgRelated NewsJan 3rd, 2024

A cat video highlighted a big year for lasers in space

NASA has invested more than $700 million in testing laser communications in space. Enlarge / Taters, the orange tabby cat of a Jet Propulsion Laboratory employee, stars in a video beamed from deep space by NASA's Psyche spacecraf.....»»

Category: topSource:  arstechnicaRelated NewsDec 30th, 2023

This bird is like a GPS for honey

The honeyguide recognizes calls made by different human groups. Enlarge / A greater honeyguide (credit: Keabetswe Maposa) With all the technological advances humans have made, it may seem like we’ve lost touch with na.....»»

Category: topSource:  arstechnicaRelated NewsDec 29th, 2023

Breakthrough in nitrile activation is promising pathway for anticancer precursor synthesis

A research team, affiliated with UNIST has unveiled a novel method to produce a selective anticancer precursor substance that targets and eliminates cancer cells. This groundbreaking method, previously existing only in theory, has now been experiment.....»»

Category: topSource:  physorgRelated NewsDec 29th, 2023