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science/physics

Scientists Solve Decades-Old Chemistry Problem to Create Novel Nanocrystals

A team of scientists has achieved a significant breakthrough in nanotechnology by solving a long-standing chemistry challenge. They successfully created nanocrystals from metal nitrides—materials that had previously proven extremely difficult to produce at such small scales. Metal nitrides are widely used in existing technologies, including light-emitting diodes (LEDs), medical

NASA's $4 Billion Space Observatory Set to Unlock Secrets of Dark Energy and Dark Matter

NASA is preparing to launch a groundbreaking $4 billion space observatory that will attempt to shed light on two of the universe's most enigmatic components: dark energy and dark matter. The space agency has teamed up with SpaceX for the launch of this flagship mission, which represents one

AI and Nuclear Deterrence: Emerging Concerns for Strategic Stability

The intersection of artificial intelligence and nuclear deterrence is drawing renewed attention from arms control experts. A piece from the Arms Control Association explores how AI technologies are increasingly relevant to strategic stability and the so-called "balance of terror" that has characterized nuclear deterrence since the Cold War.

Researchers May Have Detected Quantum Vacuum Effects on Light Polarization

Physicists report they may have directly observed a subtle quantum effect where seemingly empty space influences how light travels through it. The phenomenon, known as vacuum birefringence, is a prediction of quantum electrodynamics (QED) — the theory describing how light and matter interact at the quantum scale. According to the theoretical

Generative AI Gets a Chemistry Lesson: Valence Constraints Improve Materials Discovery

Generative AI models are increasingly being applied to materials science, but designing computationally stable and chemically plausible new materials remains a significant challenge. A new approach reported in Nature addresses this by embedding valence constraints directly into the generative modeling process. Valence rules—the constraints that govern how atoms bond—

NASA's Roman Space Telescope Prepares to Survey Thousands of Exoplanets

NASA's Nancy Grace Roman Space Telescope, formerly known as the Wide Field Infrared Survey Telescope (WFIRST), is preparing for a mission that will survey thousands of exoplanets. The telescope's advanced Wide Field Instrument will enable astronomers to detect and characterize planets orbiting distant stars, contributing valuable

Former Bezos Project Founders Pitch Physics-Modeling AI at Prometheus Universe

A cohort of founders who were previously associated with a Jeff Bezos-backed project have unveiled a new AI venture at Prometheus Universe, presenting a distinctly different approach to artificial intelligence development. Rather than building systems centered on language processing—characteristic of large language models—their new AI focuses on modeling