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Phys.org / 'Rainbow-on-a-chip' could help unlock 6G networks and precision timing for quantum technologies

Loughborough University physicists and an international team have demonstrated that a grain-of-rice-sized microchip can be used to produce a spectrum of precisely spaced frequencies of light, which is then converted into ...

23 hours ago
Medical Xpress / Why memories get fuzzier with age—and what replaces them

Research from the University of East Anglia shows how our memories change with age and why specific details associated with past events can fade over time. The new study reveals that as people age, they not only remember ...

23 hours ago
Phys.org / Hidden chemical pathway could keep phosphorus from fueling lake algal blooms

Why do some lakes remain plagued by harmful algal blooms even after phosphorus pollution has been reduced? Part of the answer lies beneath the surface. A new Concordia study has uncovered a previously overlooked chemical ...

19 hours ago
Phys.org / Lab-grown brain models gain a sense of place

The human brain is often described as one of the most complex structures in biology, and much of its power comes from how it's organized. Its outer layer, the cerebral cortex, is not one uniform sheet. As the brain develops, ...

22 hours ago
Phys.org / New Monte Carlo method accelerates simulations of densely entangled polymer melts

Long polymer chains are everywhere: in synthetic materials, soft matter, biological systems such as chromosomes, and mathematical models of filaments and knots. When many such chains are densely packed, they form what physicists ...

18 hours ago
Phys.org / Stellar eruptions in the laboratory: First experimental evidence for their suppression in strong magnetic fields

An international team of astrophysicists and plasma physicists has provided the first experimental evidence that strong magnetic fields surrounding active stars can completely suppress coronal mass ejections. This offers ...

21 hours ago
Medical Xpress / FDA authorizes first standalone robotic device to draw blood

The U.S. Food and Drug Administration has authorized Aletta as the first standalone robotic device that can draw blood from a patient's arm. Marketing authorization was granted to Vitestro.

10 hours ago
Dialog / Seeing beneath the surface during metal additive manufacturing

When we watch a metal part being built by laser-based metal additive manufacturing (AM), we're only seeing part of the story. In one kind of metal AM process, a high-powered laser sweeps across a bed of metal powder, creating ...

17 hours ago
Phys.org / Bipartisan majorities in US favor banning glyphosate

Two-thirds of Americans favor banning the use of the herbicide glyphosate, the active ingredient in the popular weedkiller Roundup, on crops grown in the United States, according to a nationally representative survey conducted ...

11 hours ago
Phys.org / Ocean plankton reveal sugar-for-nutrients partnership that sustains life in barren seas

In the vast, nutrient-poor regions of the world's oceans, there is a constant struggle for survival. Yet tiny organisms known as Collodaria have thrived there for millions of years. These Collodaria host microscopically small ...

19 hours ago
Phys.org / Twenty years and 7,500 fossils reveal what blurs Earth's marine fossil record

In productive marine environments, a square meter (10.8 square feet) of seafloor can be perforated by hundreds to thousands of isolated and interconnected tunnels through which crawl and writhe a cornucopia of clams, shrimp, ...

20 hours ago
Phys.org / Stellar spin may explain why repeated black hole flares grow dimmer

At the center of most galaxies lies a supermassive black hole, with a mass millions to billions of times that of our sun and some of the most extreme gravity in the universe.

21 hours ago