(本戸) クラーブ 律子

World’s first superconducting quantum heat engine could help unlock massive quantum computers
Fri, 14 Aug 2026 08:56:01 EDT

A tiny superconducting engine has successfully converted heat near absolute zero into useful work, demonstrating the first cyclic quantum heat engine of its kind. Future versions could operate autonomously inside quantum computers, potentially eliminating huge numbers of costly, noise-producing microwave cables.

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Scientists detect a nuclear reactor’s ghostly afterglow for the first time
Fri, 14 Aug 2026 09:16:36 EDT

Nuclear reactors may go dark, but their fuel continues producing a faint antineutrino “glow” long after shutdown. Researchers have now detected that residual signal for the first time, finding it closely matched predictions of radioactive decay inside the reactor and nearby spent-fuel pools. The breakthrough suggests antineutrino detectors could eventually monitor reactors even when they are offline.

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Neptune’s tiny moons may be the wreckage of shattered ancient worlds
Fri, 14 Aug 2026 00:35:05 EDT

JWST has uncovered surprising clues that Neptune’s strange inner moons may be the wreckage of an ancient cosmic catastrophe. Researchers detected clay-like minerals on Larissa, Galatea, and Neptune’s rings that form in the presence of liquid water—yet the moons themselves show no obvious water ice. The material likely came from deep inside much larger icy moons that were shattered when Triton was captured by Neptune, destroying much of the planet’s original satellite system.

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A massive new cosmic map is revealing black holes, rare stars, and hidden gas
Fri, 14 Aug 2026 00:21:15 EDT

Astronomers have released more than three million new spectra in a sweeping expansion that, for the first time, brings SDSS-V optical observations to the Southern Hemisphere. The data reveal everything from rare stars and glowing nebulae to hundreds of thousands of X-ray sources and supermassive black holes changing over time.

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JWST spots a bizarre “black hole star” 100 billion times brighter than a star
Thu, 13 Aug 2026 09:03:55 EDT

Astronomers using the James Webb Space Telescope have discovered a bizarre object from just a few hundred million years after the Big Bang that looks like an enormous star but shines far too brightly to actually be one. The mysterious red object, dubbed a “black hole star,” may contain a black hole about 100,000 times the mass of the Sun wrapped inside a dense, star-like cocoon of hydrogen roughly the size of our solar system.

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Scientists turn Starlink into a giant scanner for Earth’s upper atmosphere
Wed, 12 Aug 2026 09:38:05 EDT

Researchers have found a clever new way to map a part of Earth’s upper atmosphere that is notoriously difficult to observe. Using orbital data from roughly 1,200 Starlink satellites, they reconstructed changes in atmospheric density about 500 kilometers above Earth. The approach could sharpen satellite tracking and help reduce the growing risk of collisions in increasingly crowded orbits.

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James Webb captures a cosmic lion sculpted by a dying star
Wed, 12 Aug 2026 06:15:19 EDT

James Webb has captured a striking new infrared view of NGC 2392, the Lion Nebula, revealing the dramatic aftermath of a dying Sun-like star. At its center, a scorching white dwarf is blasting radiation into surrounding gas and dust, carving out the nebula’s lion-like face while illuminating a sprawling “mane” of surviving dusty clumps.

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NASA’s Perseverance rover watches Earth vanish from the surface of Mars
Thu, 13 Aug 2026 09:20:16 EDT

NASA’s Perseverance rover caught a striking first from Mars: Earth disappearing behind the tiny moon Phobos. Seen from nearly 195 million miles away, our planet was reduced to a single point of light before briefly vanishing behind Phobos. The rare alignment created an unusual cosmic portrait of Earth as seen from another planet.

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A strange crystal made of electrons just revealed its hidden motion
Wed, 12 Aug 2026 05:10:01 EDT

Physicists have found a new way to peer inside one of matter’s most elusive quantum states: the Wigner crystal, where electrons stop behaving like independent particles and organize into a crystal-like pattern. By shining light on an atomically thin material cooled close to absolute zero, researchers uncovered optical signals that reveal not just where the electrons are, but how they move together.

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Ordinary WiFi can now identify you with near-perfect accuracy
Wed, 12 Aug 2026 00:07:22 EDT

Ordinary WiFi networks could quietly become powerful surveillance tools, allowing people to be identified without cameras, special sensors, or even carrying a connected device. Researchers showed that unencrypted signals routinely exchanged between WiFi devices and routers can be used to create radio-based images of people and recognize them within seconds. In tests involving 197 participants, the system identified individuals with nearly 100% accuracy, even from different angles and regardless of how they walked.

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