#physics

A physicist shares how listening to jazz music enhances their creative thinking and problem-solving abilities in physics research, drawing parallels between improvisation in music and scientific discovery.

The article explains how to construct and interpret Feynman diagrams purely as combinatorial graphs, without requiring knowledge of the underlying particle physics. It introduces the diagrams as directed multigraphs with labeled edges and vertices, and shows how to translate them into algebraic expressions using simple rules, making the topic accessible to mathematicians and non-physicists.

The article explores how an intelligent system—whether human or AI—could approach physics from scratch, emphasizing pattern recognition, hypothesis generation, and experimental validation as core methods for discovering physical laws.

Scientists have achieved a new superconductivity record at normal atmospheric pressure, surpassing a 30-year-old milestone. The breakthrough involves a material that operates at a higher critical temperature without needing extreme pressure, potentially advancing practical applications in energy and electronics.

A study in Physical Review Research introduces a model where quantized energy levels emerge naturally from a dynamic vacuum state, without requiring predefined quantization rules. The framework suggests that quantum behavior can arise from underlying field dynamics rather than being imposed as a fundamental principle.

The video explains the concept of nuclear bomb-powered X-ray lasers, a Cold War-era idea where a nuclear explosion would be used to power a lasing medium to produce intense X-ray beams as a directed-energy weapon. It discusses the scientific principles behind how such a device could theoretically work and the historical context of research into this technology for missile defense.

Researchers measured the ground-state hyperfine splitting of antihydrogen with a precision of four parts per million, offering a high-resolution test of CPT symmetry through comparison with hydrogen.

For the first time, researchers have achieved perfect randomness in a laboratory setting, a breakthrough that challenges previous assumptions about the limits of quantum mechanics and could have significant implications for cryptography and secure communications.

For the first time, researchers have achieved perfect randomness, eliminating any statistical bias or predictability in a random number generator. This breakthrough could significantly impact cryptography and scientific simulations that rely on truly unpredictable data. The work marks a milestone in quantum randomness extraction.

The article discusses how, 340 years after Newton formulated the law of universal gravitation, physicists still lack a fundamental understanding of why gravity exists or how it fits with quantum mechanics. Known as the "problem of quantum gravity," this unresolved mystery remains one of the biggest embarrassments in modern physics.

The article reviews the mathematical and physical limits of juggling, noting that the highest number of objects successfully juggled in practice was 11 rings, though theoretical models suggest higher numbers may be possible under ideal conditions.

The article explores how technological breakthroughs act as a "divine lever," amplifying human effort and reshaping society. It draws on historical examples and physics principles to argue that startups and innovation are the modern engines of this leverage, capable of producing outsized impact from minimal initial resources.

This article explains how to implement a Navier-Stokes fluid simulation using the Godot game engine, covering the mathematical foundations and practical code examples for simulating fluid behavior.

The article explores the holographic principle, suggesting our 3D universe may be a projection of information encoded on a distant 2D surface, using the metaphor of a sheet of paper and sand to illustrate how volume can emerge from flat information storage.

Scott Manley examines the challenges of cooling datacenters in space, explaining that while heat can be radiated away, the vacuum of space makes convective cooling impossible, forcing reliance on inefficient radiators. He compares the physics of terrestrial versus orbital cooling and explores whether space-based computing is practically feasible.

This video explores the hypothetical scenario of dropping a bowling ball into the Mariana Trench, explaining the physics of deep ocean pressure, buoyancy, and terminal velocity as the ball sinks over 11 kilometers to the seafloor.

The article explores the evolution of Schrödinger's cat thought experiment, discussing how modern quantum mechanics experiments have moved beyond simple paradoxes to study real-world quantum phenomena like superposition and entanglement in increasingly large systems, effectively "growing up" the original kitten-sized thought experiment into more complex and practical quantum science.

A new theoretical study suggests that Einstein's concept of wormholes could act as "mirrors of time," potentially allowing information to travel between the past and future. This could offer a way to test fundamental physics and the nature of spacetime.

The article explains complex conjugates in quantum mechanics—their use in wavefunctions, probability amplitudes, inner products, and Hermitian operators—and how they ensure real-valued probabilities and underpin the mathematical structure of quantum theory.

Juris Upatnieks, a co-inventor of holography, has died at age 90. Born in Latvia, he and Emmett Leith developed the pioneering laser transmission hologram in 1962. Upatnieks passed away on 17 May 2026, ten days after his 90th birthday.

Physical Lens on the Cell is a research initiative exploring how physical principles such as mechanics, thermodynamics, and condensed matter physics govern cellular behavior and organization.

Nobel Prize-winning physicist Peter Higgs said he would not be productive enough to succeed in today's academic system, which pressures researchers to publish frequently and collaborate. Higgs, who proposed the Higgs boson particle in 1964, noted that he published fewer than ten papers after his groundbreaking work and would likely be considered unproductive by modern standards.

The article explores the idea that rather than asking what is physically possible, we should ask what is permitted by physics—a framing that shifts focus from technological limits to the constraints of physical law itself, opening up a broader range of possibilities for future innovation.

Construction is underway on the Deep Underground Neutrino Experiment (DUNE) in a former gold mine in South Dakota. The $3 billion project will study neutrinos, aiming to uncover mysteries about the universe's matter-antimatter asymmetry and particle physics.

The article explains the composition of atoms, describing how they consist of protons, neutrons, and electrons. It also delves into the deeper structure of these particles, discussing quarks and the fundamental forces that hold them together, providing an accessible overview of modern particle physics.

A non-expert researcher used AI agent guidance to derive Newton's gravitational constant (G) with a precision of 1.86 parts per million, demonstrating that AI-powered tools can enable laypeople to achieve high-level scientific results without formal academic credentials.

Researchers have overturned Prandtl's lifting-line theory, a 100-year-old cornerstone of aeronautical engineering that described how wings generate lift. The new model accounts for complex wing shapes and fluid behavior more accurately, potentially leading to more efficient aircraft designs.

Physicists have created hybrid light-matter particles called exciton-polaritons that could replace electrons in AI computing, potentially enabling faster and more energy-efficient processors for machine learning tasks.

CERN has announced plans to build the Future Circular Collider (FCC), a 91-kilometer particle accelerator that would succeed the Large Hadron Collider. The project, estimated to cost over $17 billion, aims to study the Higgs boson in greater detail and search for new particles in the 2050s and beyond, pending approval and funding from member states.

Stephen Hawking's father, Frank, expressed concern in newly revealed diaries that his son "does not study much" during his early years at Oxford. The diaries, published ahead of the anniversary of Hawking's birth, offer a rare glimpse into the family's private thoughts about the future physicist's academic habits before his later groundbreaking work.