Condensed Matter

Harnessing magnetic relaxation: 'Pac-Man effect' enables precise organization of superparamagnetic beads

Particles that are larger than regular molecules or atoms yet remain invisible to the naked eye can form a variety of useful structures, including miniature propellers for microrobots, cellular probes, and steerable microwheels ...

Evolution

Study determines when and how pterosaurs went from tiny tree-climbers to towering terrestrial titans

The evolutionary adaptations that allowed ancient pterosaurs to grow to enormous sizes have been pinpointed for the first time by paleontologists in the Center for Paleobiology and Biosphere Evolution at the University of ...

Meta's Movie Gen lets users animate photos into videos

Meta on Friday provided a look at a generative artificial intelligence model it is working on that lets people create short videos, complete with audio, from text prompts and photos.

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Medical Xpress

Tech Xplore

Scientists achieve unprecedented control of active matter

An international research team led by Brandeis University has achieved a major breakthrough in the field of active matter physics, as detailed in a study published this week in Physical Review X. This pioneering research ...

How passion drives or derails team innovation

In companies, innovative ideas often come out of teams. That's why it's so important to have team members who are excited and focused on projects that lead to innovation. However, having team members who are too passionate—especially ...

The sun unleashes its strongest flare this cycle

Yesterday the sun released a huge solar flare, and it's heading toward Earth. It's nothing to worry about since it's nowhere near as large as the Carrington Event of 1859, but it is large enough to give us some amazing aurora.

What's the best material for a lunar tower?

Physical infrastructure on the moon will be critical to any long-term human presence there as both America and China gear up for a sustained human lunar presence. Increasingly, a self-deploying tower is one of the most essential ...

Gravitational lens confirms the Hubble tension

We've known the universe is expanding for a long time. The first solid paper demonstrating cosmic expansion was published by Edwin Hubble in 1929, based on observations made by Vesto Slipher, Milton Humason, and Henrietta ...

First symbiotic star detected by Gaia satellite

An international team of astronomers reports that the transient Gaia18aen discovered by ESA's Gaia spacecraft turns out to be a symbiotic star. This makes it the first symbiotic star identified by this astrometric satellite. ...

An electrical trigger fires single, identical photons

Secure telecommunications networks and rapid information processing make much of modern life possible. To provide more secure, faster, and higher-performance information sharing than is currently possible, scientists and ...

Mind and space bending physics on a convenient chip

Thanks to Einstein, we know that our three-dimensional space is warped and curved. And in curved space, normal ideas of geometry and straight lines break down, creating a chance to explore an unfamiliar landscape governed ...

Nanoparticles that stick wounds together

In spite of medical advances, wound-related complications arising after operations can still be life-threatening. In order to avoid these complications in the future, a new nanoparticle-based tissue glue has been developed ...