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Jul 25, 2024

Drones Are Already Delivering Pizza, If You Haven’t Noticed

Posted by in category: drones

Year 2023 face_with_colon_three


A few of us have had orders dropped on our lawns by drone already. Millions more will be within range of drone deliveries in 2023.

Jul 25, 2024

Scientists plan climate engineering experiment in ocean off Cape Cod

Posted by in categories: chemistry, climatology, engineering, sustainability

Scientists from the Woods Hole Oceanographic Institution are seeking a federal permit to experiment in the waters off Cape Cod and see if tweaking the ocean’s chemistry could help slow climate change.

If the project moves forward, it will likely be the first ocean field test of this technology in the U.S. But the plan faces resistance from both environmentalists and the commercial fishing industry.

The scientists want to disperse 6,600 gallons of sodium hydroxide — a strong base — into the ocean about 10 miles south of Martha’s Vineyard. The process, called ocean alkalinity enhancement or OAE, should temporarily increase that patch of water’s ability to absorb carbon dioxide from the air. This first phase of the project, targeted for early fall, will test chemical changes to the seawater, diffusion of the chemical and effects on the ecosystem.

Jul 25, 2024

NASA streams first 4K video from aircraft to space station and back

Posted by in category: space

A team at NASA’s Glenn Research Center in Cleveland has streamed 4K video footage from an aircraft to the International Space Station and back for the first time using optical (laser) communications. The feat was part of a series of tests on new technology that could provide live video coverage of astronauts on the moon during the Artemis missions.

Jul 25, 2024

Dark matter flies ahead of normal matter in mega galaxy cluster collision

Posted by in category: cosmology

Such decoupling of dark and normal matter has been seen before, most famously in the Bullet Cluster. In that collision, the hot gas can be seen clearly lagging behind the dark matter after the two galaxy clusters shot through each other. The situation that took place in MACS J0018.5+1626 (referred to subsequently as MACS J0018.5) is similar, but the orientation of the merger is rotated, roughly 90 degrees relative to that of the Bullet Cluster.

In other words, one of the massive clusters in MACS J0018.5 is flying nearly straight toward Earth while the other one is rushing away. That orientation gave researchers a unique vantagepoint from which to, for the first time, map out the velocity of both the dark matter and normal matter and elucidate how they decouple from each other during a galaxy cluster collision.

Continue reading “Dark matter flies ahead of normal matter in mega galaxy cluster collision” »

Jul 25, 2024

Toyota Eyes Perovskite Solar Cells For Solar Car Of The Future

Posted by in categories: energy, space, sustainability

Fans of perovskite solar cell technology have been promising the moon, and stakeholders are increasingly confident that it will deliver. Among them is Toyota, which has just tapped its Woven Capital branch to put down a 5.5 billion yen stake in the perovskite solar startup EneCoat Technologies. If you’re thinking the solar-powered electric car of the future is coming, that’s a good guess, because EneCoat lists mobility applications among its areas of focus.

New Solar Cells For The Solar Car Of The Future

Continue reading “Toyota Eyes Perovskite Solar Cells For Solar Car Of The Future” »

Jul 25, 2024

Study shows elephant trunk dexterity can be mimicked with minimal actuators

Posted by in category: futurism

The trunk of an elephant is among the versatile appendages in the animal kingdom. Now a research team has shown that most of its dexterity can be reproduced with a model using just three “muscles.” And they built a physical model to do just that. The findings are published in the journal Physical Review Letters.

Jul 25, 2024

Synthesis of a new compound with excellent intrinsic magnetic properties using smaller amounts of rare earth elements

Posted by in category: futurism

The National Institute for Materials Science has successfully synthesized a new SmFe-based magnetic compound, SmFe8.8N1.1, which possesses superior intrinsic magnetic properties when compared to those of NdFeB compound used in neodymium magnets. The study is published in the journal Acta Materialia.

Jul 25, 2024

An optical lattice clock based on strontium atoms achieves unprecedented accuracy

Posted by in category: particle physics

Researchers at the Ye Lab at JILA (the National Institute of Standards and Technology and the University of Colorado Boulder) and University of Delaware recently created a highly precise optical lattice clock based on trapped strontium atoms. Their clock, presented in a Physical Review Letters paper, exhibits a total systematic uncertainty of 8.1 × 10–19, which is the lowest uncertainty reported to date.

Jul 25, 2024

Study finds active matter and shear flows share thinning behaviors

Posted by in category: futurism

According to a study published in Proceedings of the National Academy of Sciences, a research team led by Professor Xu Ning from the University of Science and Technology of China (USTC) has found that active matter and shear flows share similar thinning behaviors in self-propulsion and shear forces.

Jul 25, 2024

Physicists control electronic properties of moiré crystals

Posted by in categories: materials, physics

If you make a material thinner and thinner, at a certain point it undergoes a seemingly miraculous transformation: A two-dimensional material that consists of only one or two layers of molecules sometimes has completely different properties than the same material when it is thicker.

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