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Catalysts unlock pathways for chemical reactions to unfold at faster and more efficient rates, and the development of new catalytic technologies is a critical part of the green energy transition.

The Rice University lab of nanotechnology pioneer Naomi Halas has uncovered a transformative approach to harnessing the catalytic power of aluminum nanoparticles by annealing them in various gas atmospheres at high temperatures.

According to a study published in the Proceedings of the National Academy of Sciences, Rice researchers and collaborators showed that changing the structure of the oxide layer that coats the particles modifies their catalytic properties, making them a versatile tool that can be tailored to suit the needs of different contexts of use from the production of sustainable fuels to water-based reactions.

The actress’s baby food brand is expanding into new categories and eyeing an IPO.

Inspired by the color-changing ability of chameleons, researchers have developed a sustainable technique to 3D-print multiple, dynamic colors from a single ink.

“By designing new chemistries and printing processes, we can modulate structural color on the fly to produce color gradients not possible before,” said Ying Diao, an associate professor of chemistry and chemical and biomolecular engineering at the University of Illinois Urbana-Champaign and a researcher at the Beckman Institute for Advanced Science and Technology.

The study appears in the journal PNAS.

Diamond is known for its outstanding thermal conductivity. This makes the material ideal for cooling electronic components with high power densities, such as those used in processors, semiconductor lasers or electric vehicles. Researchers at Fraunhofer USA, an independent international affiliate of the Fraunhofer-Gesellschaft, have succeeded in developing wafer-thin nanomembranes from synthetic diamonds that can be integrated into electronic components, thereby reducing the local heat load by up to ten times. This helps to improve the road performance and service life of electric cars and significantly reduces battery charging time.

An increase in power density and the resulting higher heat dissipation in electronic components require new materials. Diamond is known for its high thermal conductivity, which is four to five times higher than that of copper. For this reason, it is a particularly interesting material when it comes to cooling power electronics in electric transportation, photovoltaics or storage systems.

Until now, heat sinks made of copper or aluminum plates have increased the heat-emitting surface of components that produce heat, thus preventing damage due to overheating.

Chandrayaan-3’s landing on the Moon and subsequent sulfur detection has propelled lunar ice research forward, aiding NASA ’s plans for a sustainable lunar station. These developments highlight the growing collaboration in space exploration.

Building a space station on the Moon might seem like something out of a science fiction movie, but each new lunar mission is bringing that idea closer to reality. Scientists are homing in on potential lunar ice reservoirs in permanently shadowed regions, or PSRs. These are key to setting up any sort of sustainable lunar infrastructure.

In late August 2023, India’s Chandrayaan-3 lander touched down on the lunar surface in the south polar region, which scientists suspect may harbor ice. This landing marked a significant milestone not only for India but for the scientific community at large.

Researchers at King Abdullah University of Science and Technology (KAUST) have developed a comprehensive plan to introduce perovskite/silicon tandem solar cells into the marketplace, setting the stage for a world energized by widespread, cost-effective renewable energy, both in Saudi Arabia and globally.

The authors of the article, published in esteemed journal Science, include Prof. Stefaan De Wolf and his research team at the KAUST Solar Center. The team is working on improving solar efficiency to meet Saudi Arabia’ solar targets.

Perovskite/silicon tandem technology combines the strengths of two materials – perovskite’s efficient light absorption and silicon’s long-term stability – to achieve record-breaking efficiency. In 2023, the De Wolf laboratory reported two world records for power conversion efficiency, with five achieved globally in the same year, showing rapid progress in perovskite/silicon tandem technology.

Equatic-1 will be built in two phases over the next 18 months.

UCLA and Equatic, a startup formed by UCLA researchers, are gearing up for the construction of Equatic-1.

Equatic-1, a $20 million ocean-based carbon removal plant in Singapore, will remove carbon generated by 850 people annually.

Continue reading “Singapore to have world’s largest ocean-based CO2 removal plant” »

Li Auto, a Chinese EV automaker, has just unveiled the 7-seater Mega.

Li Auto, a Beijing-based automaker, has just unveiled what it has called the world’s biggest electric vehicle (EV). Called the Mega, this is tailored towards large family consumers in China (the world’s most crowded car market).

Continue reading “China’s Li Auto just unveiled the world’s biggest EV” »

Recycling previous metals from electronic waste is very expensive and, at a large scale, often requires exorbitant amounts of power and very expensive machines to recycle efficiently. However, scientists have discovered a food byproduct, whey protein, capable of recovering gold from electronic waste, making the recycling process substantially more efficient than it once was. With this byproduct, the energy cost of the entire recycling process can be 50 times lower than the value of the gold extracted from electronic components. The team found they could extract around 450mg of gold from 20 motherboards using this method.

This magical organic material comes in the form of whey proteins, a byproduct of dairy. Scientist Raffaele Mezzenga from the Department of Health Sciences and Technology discovered that an organic sponge made from whey proteins is exceptionally good at extracting metals from electronic components. To make this sponge, the scientists denature whey proteins under an acidic bath and high temperatures so the substance turns into a gel. Then, the scientists dry the gel, creating a sponge out of the whey protein fibrils.

But before the sponge can be used, the electronic waste must be prepared so it can do its job. First, electronic waste is dissolved in an acid bath to ionize the metals; then, the sponge is placed in the metal ion solution. Once in the bath, the ionized metals attach to the protein sponge, like a magnet picking up metal shavings. Mezzenga and his team of scientists discovered that most metal ions can adhere to the sponge, but gold ions do so a lot more efficiently.