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Nanomaterials 8 hours ago

Water into fuel: The new nanomaterial that could upgrade green hydrogen

Generating hydrogen without releasing carbon dioxide sounds simple: pass electricity through water, split water molecules and generate green hydrogen. The hard part is the electrocatalyst. The best ones rely on platinum, ...

Other 9 hours ago

Glowing ghoul or chemical tool? The toxic chemistry behind Victorian séances

In November 1857, during a séance in Jersey City, the medium Leah Brown claimed her body produced luminous particles. So intense was the luminosity emanating from her, she recalled in her memoir, that it almost burned her ...

Bio & Medicine 11 hours ago

Simulations reveal design rules for high-performance DNA particle motors

DNA-nano/microparticle motors are among the fastest artificial molecular motors reported to date, moving at approximately 30 nm per second. However, they are still slower than natural motor proteins (approximately 100–1,000 ...

Earth Sciences 16 hours ago

Sediment core reveals volcanic eruption preceded ancient cold spell by about 150 years

A new study led by an international research team including scientists at the University of South Carolina challenges the idea that the ancient Laacher See volcanic eruption in western Europe triggered a significant climate-cooling ...

Analytical Chemistry Oct 24, 2026

Tests reveal why titanium additions do not fully prevent pitting corrosion in stainless steel

Stainless steel is widely used for its corrosion resistance, but it is not invincible. In environments containing chloride ions, such as seawater, pitting corrosion can occur. These pits often start at tiny particles called ...

Astronomy Oct 24, 2026

How flare ribbons reveal hidden solar explosions on the sun

Many topics in astronomy and astrophysics are esoteric. There's not much of a relationship between something like the supermassive black hole at the center of the Milky Way and the life of a regular person going about their ...

General Physics Oct 24, 2026

'One-positron cyclotron' could test a key prediction of the Standard Model

The positron is the antimatter counterpart of the electron, identical in mass but carrying an equal and opposite electric charge. Like the electron, it also behaves like a tiny bar magnet, and according to a key prediction ...

Nanomaterials Oct 24, 2026

Nanoscale alloy redesign tackles cold brittleness for potential deep-space and deep-sea applications

Metallic materials used in extremely cold environments must maintain high strength, ductility and fracture toughness to support applications in aerospace, clean energy, superconducting systems and deep-space exploration. ...

Optics & Photonics Oct 23, 2026

Plain silicon grating reveals a hidden 'twist' in light from electron beams

In 1953, two physicists showed that an electron beam skimming past a grating emits light whose color depends only on the electron's speed and the grating's spacing. Known as Smith-Purcell radiation, this phenomenon has become ...

Space Exploration Oct 23, 2026

Everyday Mylar turned into a promising insulator for lunar habitats

Establishing a long-term presence on the moon will require solving challenges that are easy to overlook on Earth. Lunar temperatures, for instance, can vary from hundreds of degrees below zero to boiling, making effective ...

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