Science

Reversible computing could help solve AI’s looming energy crisis – Physics World Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors Read the original article here

WASHINGTON — U.S. satellite imagery providers are intensifying their warnings over proposed cuts to the National Reconnaissance Office’s (NRO) commercial imagery budget, arguing that the reductions — now moving closer to congressional review — pose growing risks to national security and the domestic space industry’s viability. Speaking at a SpaceNews virtual forum June 25, executives

Destroyed buildings in Jabalia, Gaza, in February 2025 Imago/Alamy Around 75,000 people in the Gaza Strip – 3.6 per cent of the population – died from violent causes between 7 October 2023 and 5 January 2025, according to an independent study based on a household survey. That is higher than the estimate of 46,000 violent

New optical cryostat combines high cooling capacity, low vibrations and large sample area – Physics World Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors Read the original article here

President Trump’s recent bombing of Iran’s nuclear sites marks a major turning point in the maintenance of global security. With war again erupting in the Middle East, the United States now faces the very real possibility of simultaneous crises across multiple theaters. Iran may retaliate through proxies, cyberattacks or missile strikes. Meanwhile, China and Russia

A yellow-spotted tropical night lizard (Lepidophyma flavimaculatum) Dante Fenolio/SCIENCE PHOTO LIBRARY A small, secretive group of lizards that still exists today may have been the only terrestrial vertebrates that survived in the vicinity of the Chicxulub asteroid collision, which led to the extinction of the non-avian dinosaurs. It has long been known that xantusiid night

Painting the unseen: visualizing the quantum world – Physics World Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors Read the original article here

Space Inventor Launches First Danish Arctic Satellite – SpaceNews Skip to content Home / Space Inventor Launches First Danish Arctic Satellite Read the original article here

Adult male mice that have two fathers and went on to have offspring of their own Yanchang Wei For the first time, mice with two fathers have gone on to have offspring of their own – marking a significant step towards enabling two men to have children to whom they are both genetically related. However,

Cosmic conflict continues: new data fuel the Hubble tension debate – Physics World Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors Read the original article here

WASHINGTON — United Launch Alliance is piloting an early version of OpenAI’s government-compliant artificial intelligence chatbot, marking one of the first deployments of the technology designed specifically for defense contractors handling sensitive data. The rocket manufacturer, jointly owned by Boeing and Lockheed Martin, has deployed what it calls “RocketGPT” to about 150 employees as part

There are things we can do to prevent nightmares, such as not watching scary movies Andrii Lysenko/Getty Images Having nightmares on a weekly basis seems to accelerate ageing – and could even triple the risk of early death. “People who have more frequent nightmares age faster and die earlier,” says Abidemi Otaiku at Imperial College

AI algorithms in radiology: how to identify and prevent inadvertent bias – Physics World Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors Read the original article here

PARIS — Airbus executives say they are making good progress to turn around the company’s space business unit even as they consider combining it with those at two other European companies. In briefings at the Paris Air Show, as well as at a separate “Business Update” event held in Paris June 18, executives said they

Iran’s Arak heavy water nuclear facility was damaged by Israeli bombing Shutterstock Editorial Israeli strikes on Iranian nuclear sites are raising fears of a harmful radioactive accident, including from the director general of the International Atomic Energy Agency (IAEA) – but experts have told New Scientist that the risks are minimal, despite reports of radiological and

Simulation of capsule implosions during laser fusion wins Plasma Physics and Controlled Fusion Outstanding Paper Prize – Physics World Skip to main content Discover more from Physics World Copyright © 2025 by IOP Publishing Ltd and individual contributors Read the original article here

ARLINGTON, Va. — The U.S. military wants to turn its satellite communications into something that works like the internet — fluid, fast, and built on seamless interoperability between networks. But at an industry conference this week, Pentagon officials said the long envisioned military space internet is still a long way off. In an era where

Sea spider from the genus Sericosura Biance Dal Bó Spider-like creatures living near methane seeps on the seafloor appear to cultivate and consume microbial species on their bodies that feed on the energy-rich gas. This expands the set of organisms known to rely on symbiotic relationships with microbes to live in these otherworldly environments. Shana