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Phys.org / Photonic time crystals unlock ultrafast control of light in the terahertz range

An international team of researchers from École Polytechnique, Collège de France and Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has achieved a world first: the experimental realization of an all-optical photonic time crystal ...

21 hours ago in Physics
Phys.org / Scientists have found a new way molecules can cooperate at room temperature

What if glowing molecules could synchronize, much like fireflies flashing in unison? Researchers have discovered that molecules confined within tiny gold nanostructures can behave collectively, coordinating their interactions ...

22 hours ago in Nanotechnology
Phys.org / Electrically controlled magnetic switching shows promise for next-gen cryogenic devices

Researchers at the Indian Institute of Science (IISc) have demonstrated a new way of switching a material between two fundamentally different magnetic states using an electric current. The discovery could pave the way for ...

Jul 30, 2026 in Physics
Phys.org / Volcanic eruptions in Pacific Ring of Fire may have cooled Earth for centuries

For around 12,000 years, the Earth has been in the Holocene epoch, a warmer period following a glacial period. During this epoch, however, there have been around 22 abrupt cold phases, each lasting up to several centuries ...

Jul 30, 2026 in Earth
Tech Xplore / Hidden battery flaw may shorten EV lifespans

As the need for sustainable electric vehicles grows, cobalt-free, high-nickel cathode batteries (such as manganese-coated nickel-core batteries) have emerged as one of the most promising technologies. These batteries increase ...

Jul 28, 2026 in Energy & Green Tech
Phys.org / New research shows how 'hot electrons' can reshape metals in billionths of a second

Researchers at The University of Manchester have revealed how intense electronic excitation can trigger rapid structural changes in metals—without heating the atomic lattice—offering new insight into ultrafast materials behavior.

Jul 28, 2026 in Physics
Tech Xplore / Can AI's power problem become a clean-energy opportunity?

Artificial intelligence has triggered a new gold rush. This time, companies are competing not for land or minerals, but for access to electricity.

Jul 27, 2026 in Business
Phys.org / Christmas in July: Engineers capture gigapixel 3D video of snowflakes

For the first time, researchers can witness nanometer-scale thickness changes across a melting snowflake with a compact, lensless chip that captures gigapixel video at 30 frames per second across centimeter-scale fields.

Jul 27, 2026 in Biology
Phys.org / Physicists capture first direct evidence of a Floquet topological state

A new study published in Nature Physics reports the first direct experimental evidence of a Floquet topological state, a novel light-induced phase of matter that, until now, has existed only on paper and in simulations. Topological ...

Jul 27, 2026 in Physics
Tech Xplore / Seed crystals push solvent‑free perovskite cells to 25.53% efficiency

Solar cells, devices that can convert sunlight into electricity, are now widely used in many countries, where they are helping to reduce reliance on electricity generated from fossil fuels. While most solar cells used today ...

Jul 25, 2026 in Engineering
Tech Xplore / Tiny memory switches could shrink 5G and 6G radio-frequency chips

Mobile phones today handle far more wireless signals and services than earlier generations. The same is true of the sophisticated equipment behind mobile networks, such as base stations, and emerging technologies such as ...

Jul 24, 2026 in Hardware
Phys.org / There's a business case for companies to embrace sustainability, if it's pitched the right way

Sustainable business practices are often seen as a luxury that only rich countries can afford. And these days, some of the biggest economies, including the U.S., are backtracking on those commitments.

Jul 23, 2026 in Other Sciences