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Phys.org / New X-ray method captures 3 image-contrast types in a single shot

University of Houston researchers developed a new X-ray imaging method capable of revealing hidden features in a single shot, a breakthrough that could advance cancer detection, disease monitoring, security screening and ...

Nov 25, 2025 in Physics
Phys.org / The demands of young people went unfulfilled by the UN climate summit. Mostly

At the UN climate conference Cop30 in Belém, Brazil, I asked some young climate activists and negotiators about their hopes, expectations and demands. Despite their positivity and the push for action from climate movements, ...

Nov 25, 2025 in Earth
Phys.org / Scientists track recent solar flare disruptions in Earth's ionosphere

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide swath of the globe—from northern Europe to Florida—researchers at NJIT's Center for Solar-Terrestrial ...

Nov 22, 2025 in Astronomy & Space
Tech Xplore / Turning polarization into motion: Ferroelectric fluids redefine electrostatic actuators

Researchers have discovered that ferroelectric fluids can harness an overlooked transverse electrostatic force (TEF) to rise over 80 mm, without magnets or high voltages. By exploiting the fluid's spontaneous polarization ...

Nov 21, 2025 in Engineering
Phys.org / Watching gold's atomic structure change at 10 million times Earth's atmospheric pressure

The inside of giant planets can reach pressures more than one million times the Earth's atmosphere. As a result of that intense pressure, materials can adopt unexpected structures and properties. Understanding matter in this ...

Nov 20, 2025 in Physics
Phys.org / Theia and Earth were neighbors, new research suggests

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia collided with the young Earth. How the collision unfolded and what exactly happened afterward has ...

Nov 20, 2025 in Astronomy & Space
Tech Xplore / Studies reveal 95 barriers and 50 risks slowing decarbonization in the building sector

In the race against time to meet 2050 climate targets, building decarbonization looms large—but high upfront costs and a lack of public awareness are two of the biggest barriers for many countries, slowing the adoption ...

Nov 19, 2025 in Business
Phys.org / Coaxing bilayer graphene into a single diamond-like layer for industrial applications

Graphene's enduring appeal lies in its remarkable combination of lightness, flexibility, and strength. Now, researchers have shown that under pressure, it can briefly take on the traits of one of its more glamorous carbon ...

Nov 19, 2025 in Nanotechnology
Phys.org / Scientists use Icelandic mudrocks to prepare for Mars sample analysis

To say that a trip from Earth to Mars is merely a long one would be a massive understatement. On July 30, 2020, when the National Aeronautics and Space Administration (NASA) sent its Mars rover "Perseverance" atop an Atlas ...

Nov 19, 2025 in Astronomy & Space
Phys.org / Subtle 'twists' control light in perovskites for improved LEDs, solar cells and quantum technologies

Research has revealed how minute structural modifications in advanced perovskite materials critically influence their light-emission properties.

Nov 19, 2025 in Chemistry
Phys.org / Wine grape still carries molecular memory of its ancestry after 400 years, study finds

About 400 years ago, a cross between cabernet franc and sauvignon blanc gave birth to cabernet sauvignon. Today, cabernet sauvignon is the world's most-planted wine grape, dominating vineyards from Napa to Bordeaux. New research ...

Nov 18, 2025 in Biology
Phys.org / Lead-free alternative discovered for essential electronics component

Ferroelectric materials are used in infrared cameras, medical ultrasounds, computer memory and actuators that turn electric properties into mechanical properties and vice-versa. Most of these essential materials, however, ...

Nov 17, 2025 in Physics