Physics blogs

Scott Aaronson, a theoretical computer scientist, writes about quantum computing, computational complexity, and related questions.

Top post: Quantum supremacy, now with BosonSampling

Randall Munroe, the xkcd creator, answers absurd hypothetical questions with physics, math, and careful research.

Top post: Orbital Speed

Stephen Wolfram, founder of Wolfram Research, writes long essays on computation, physics, machine learning, ChatGPT, and his personal productivity setup.

Top post: What Is ChatGPT Doing and Why Does It Work? (2023)

John Baez, a mathematical physicist, writes expository pages on math and physics, including relativity, topology, and the Crackpot Index.

Top post: The Crackpot Index

Sean Carroll, a theoretical physicist, writes about cosmology, quantum mechanics, and physics, and hosts the Mindscape podcast.

Top post: Sean Carroll's Podcast, Mindscape

Sabine Hossenfelder, a physicist, writes about foundations of physics, research funding, academia, and problems with how science is practiced.

Top post: The Truth About Nuclear Fusion Q Factors

Tom Murphy, a physics professor at UCSD, runs numbers on energy, resources, and economic growth to test whether they can continue.

Top post: Exponential Economist Meets Finite Physicist (2012)

John Baez, a mathematical physicist, writes on math, physics, category theory and complex systems on his Azimuth blog.

Top post: Computing the Uncomputable

Peter Woit, a mathematician at Columbia, writes the Not Even Wrong blog on physics, mathematics and critiques of string theory.

Top post: Not Even Wrong

Home page of Greg Egan, hard science fiction author, with fiction, math and physics explainers, and essays.

Top post: Google, the Stupidity Amplifier (2016)

Ethan Siegel writes popular astrophysics and cosmology articles on dark matter, the age and size of the universe, and related physics.

Top post: Five reasons we think dark matter exists a122bd606ba8

Science 2.0 is a science news and blog site with contributors writing on physics, space, technology and research findings.

Top post: Is the CDF W Mass Measurement a Nail in the SM Coffin?

Centauri Dreams is a blog on interstellar travel, space propulsion concepts, SETI, and the prospects of exploring other star systems.

Top post: The Dipole Drive: A New Concept for Space Propulsion

A Medium blog that summarizes papers from the physics arXiv preprint server, with topics from quantum physics to statistics and computing.

Top post: Cause And Effect: A New Statistical Test That Can Tease Them Apart

Steve Hsu, a physicist and former university administrator, blogs about genetics, IQ, physics, education and politics.

Top post: No scientific basis for race

Matt Strassler, a theoretical particle physicist, explains particle physics, the LHC, protons, and the Higgs field for lay readers.

Top post: Virtual Particles: What are they? (2011)

Luboš Motl, a Czech theoretical physicist, writes on string theory, quantum mechanics, math claims and climate science, often polemically.

Top post: Constructor theory deutsch and marletto

Tom Van Baak's site on precise time and frequency, covering atomic clocks, GPS timing, the Time Nuts community, and relativity experiments.

Top post: First Atomic Clock Wristwatch

Predict is a Medium publication covering science, technology, and future trends, including physics, batteries, AI, and computing.

Top post: Moore’s Law Is Alive and Well: Just Not at Intel (2019)

Susan Fowler, a physicist and software engineer, writes about her time at Uber, learning physics, site reliability, and tech workplace practices.

Top post: So You Want to Learn Physics

The Physics Hypertextbook is Glenn Elert's online physics reference, with student-written pages and worked examples like Super Mario gravity.

Top post: Acceleration Due to Gravity: Super Mario Brothers

Anders Sandberg, a researcher in futurism and transhumanism, writes about Dyson spheres, megastructures, the far future of the universe, and the Fermi paradox.

Top post: Torus-Earth

Kevin Brown's collection of math and physics articles covers relativity, number theory, puzzles, and problems like infinite resistor grids.

Top post: Infinite Grid of Resistors

Gil Kalai, a mathematician, writes about combinatorics, probability and his skepticism that quantum computers can achieve quantum supremacy.

Top post: The Argument Against Quantum Computers – A Very Short Introduction

Ask a Mathematician is a Q&A blog where a mathematician and physicist answer reader questions on math, physics and cosmology.

Top post: Since pi is infinite, do its digits contain all finite sequences of numbers?

Susan Rigetti writes self-study guides for mathematics, physics, and philosophy, along with personal essays.

Top post: So you want to study mathematics

Henrik Forstén builds homemade radar systems, including synthetic aperture radar, along with embedded Linux and electronics projects.

Top post: Homemade polarimetric synthetic aperture radar drone

Astrobites is a site where graduate students summarize recent astronomy and astrophysics research papers.

Top post: The Alternative to Dark Matter May Be General Relativity Itself

Group blog from Caltech's Institute for Quantum Information and Matter, with physicists writing about quantum computing and physics research.

Top post: The 10 biggest breakthroughs in physics over the past 25 years

A physicist writes explanatory posts on physics and everyday phenomena, including mortality rates, charge, magnetic fields and the atmosphere.

Top post: What if I were 1% charged? (2013)

The official site for Box2D, the 2D physics engine by Erin Catto, with release notes and technical posts on physics simulation.

Top post: Announcing Box3D :: Box2D

Tai-Danae Bradley writes accessible math posts on category theory, tensor networks, quantum probability, and linear algebra.

Top post: A First Look at Quantum Probability, Part 1

Authors of a site that works out the physics of spacecraft, space weapons and megastructures, aimed at science fiction worldbuilding.

Top post: Realistic fusion drive with Epstein Drive-like performance

Craig Gidney, a quantum computing researcher at Google, writes about quantum algorithms, factoring, and builds the Quirk circuit simulator.

Top post: Why haven't quantum computers factored 21 yet?

Adam Falkowski, a particle physicist, writes about LHC results, dark matter, and anomalies in high-energy physics.

Top post: A new boson at 750 GeV? (Latest LHC results)

Greg Egan is a science fiction author whose site hosts his fiction, FAQs, and physics notes and simulations for his novels.

Top post: DIASPORA

Fliptomato is a physicist's personal blog, best known for a post on a medical researcher who rediscovered integration.

Top post: Medical researcher discovers integration, gets 75 citations

Physics Buzz is a blog from the American Physical Society's Physics Central that explains everyday physics and science news.

Top post: How 4,000 Physicists Gave a Vegas Casino Its Worst Week Ever

David Li is a developer who builds interactive WebGL demos, including fluid, ocean, and particle simulations, and the Blob Opera.

Top post: Fluid Paint Simulation

Quantum Diaries is a blog where particle physicists, many at CERN, explain high-energy physics and life in research.

Top post: Is the moon full? Just ask the LHC operators [2012]

Benedikt Bitterli, a graphics researcher, writes about light transport simulation, astrophotography, and rendering, with interactive browser demos.

Top post: Tantalum: WebGL Light Propagation Simulation

A community site promoting thorium and liquid fluoride reactors, collecting history, technical documents, and news on molten salt reactor work.

Top post: NAT MSREexperience.pdf

John Shutt, designer of the Kernel language, writes on fexprs, programming language theory, and speculative ideas linking physics and computation.

Top post: Interpreted Programming Languages (2016)

Mapping Ignorance is a science outreach site with articles on physics, chemistry, math, biology, and technology research.

Top post: The limits of high-speed rail

Sam Greydanus is a machine learning researcher who writes about physics-inspired neural networks, small-scale deep learning, and optimization.

Top post: Decoding the Enigma with Recurrent Neural Networks

Viktor Toth, a physicist and programmer, shares projects including a Hawking radiation calculator, a 4-bit processor design, and the W programming language.

Top post: Hawking Radiation Calculator

Wildbunny is a game developer's blog with tutorials on physics engines, collision detection, isometric games and pixel-art.

Top post: Physics Engines for Dummies

A site of homemade physics and electronics experiments, such as memristors, cathode ray tubes, TEA lasers, and flame triodes.

Top post: Homemade Memristor (2011)

COMSOL's company blog, explaining physics and engineering simulations such as fluid dynamics, acoustics, and electromagnetics.

Top post: Calculating the emission spectra from common light sources

Stacy McGaugh, an astronomer, writes about dark matter versus modified Newtonian dynamics (MOND), galaxy rotation curves, and JWST predictions.

Top post: What JWST Will See

Brian Koberlein, an astrophysicist, writes short explanatory posts on astronomy, cosmology, black holes, and dark matter for general readers.

Top post: Known Dark Matter Isn't Enough

Jason Cole writes occasional investigations into maths, physics and data, such as WiFi placement, rolling shutters and signed distance fields.

Top post: “The moon blew up without warning and for no apparent reason”

Richard Jones, a physicist who writes about nanotechnology, the economics of innovation, and critiques of transhumanism.

Top post: Rock climbing and the economics of innovation

Alex Kritchevsky writes essays explaining math and physics concepts, such as geometric algebra, Lagrange multipliers, and quantum mechanics.

Top post: The Case Against Geometric Algebra

A physicist writes about optics, the history of physics, and old papers, covering topics like Faraday, Fizeau, and polar bear fur.

Top post: Michael Faraday, grand unified theorist? (1851)

Matt Ferraro writes long technical posts on physics, math, CNC router design, geometric algebra, and building a browser-based CAD program.

Top post: Hiding Images in Plain Sight: The Physics of Magic Windows

PA3FWM is a Dutch radio engineer who writes about software defined radio, antennas, microwave CAD, and electronics.

Top post: Nixie-clock using neon lamps as logic (2017)

A science blog collecting short, curious explanations of physics, engineering, and history oddities like train wheels, flour explosions, and pyramids.

Top post: The Role of Wind in a Tree’s Life

Louis Savain's site pushing fringe views on physics, AI and software reliability, including the COSA component-based programming model and Bible-based AI.

Top post: Nasty Little Truth About Spacetime Physics

The developer team behind the X-Plane flight simulator posts updates on its flight model, releases, graphics APIs, and engineering choices.

Top post: Have You Heard the Good News About Elixir?