A research study counted how often ChatGPT made up citations for three different categories of mental disorders (binge eating, body dysmorphic, and major depressive). They used a chi-square to…

NASA has put out a draft request for proposal for how to move its historic flown spacecraft around the country. Spurred on by two Texas senators bid to relocate space shuttle Discovery from the…

A new fire detection system designed for lithium battery energy storage facilities described in the International Journal of Environmental Technology and Management could improve safety in the…

I just released a major new version of BCES , the Python package for linear regression with measurement errors. In version 2.0, the big addition is weighted least squares (WLS) regression. What's new…

With the collapse of the last major US–Russia treaty, a new phase of nuclear competition is emerging—faster, broader, and harder to control. On February 5, 2026, the New START Treaty expired—quietly,…

This new (published) paper is a provocative generalization of the MOND paradigm, although still not a true "FundaMOND" in the sense of providing a rigorous, fundamental physical explanation for why…

holy squid cells batman, she says. feed with me leviticus: of all the creatures living in the water of the seas and the streams you may eat any that have fins and scales. but all creatures in the…

We’ve discussed the Rational Root Theorem in the past, but not a theorem that is often taught along with it, namely Descartes’ Rule of Signs, which predicts the numbers of positive and…

I. One autumn evening several years ago I was driving—I should admit it, I was flying—north on New York state’s Taconic Parkway when I spotted a white tailed deer at the side of the road. It isn’t…

Months of failed tests, a breakthrough in reference-conditioned generation, and what happened when synthetic training met real T21 samples.

The following exercises are from Chapter 2 of Quantum Computation and Quantum Information by Isaac Chuang & Michael Nielsen. Cauchy–Schwarz inequality: | ⟨ v ∣ w ⟩ | 2 ≤ ⟨ v ∣ v ⟩ ⟨ w ∣ w ⟩ for any…

The following exercises are from Chapter 1-2 of Quantum Computation and Quantum Information by Isaac Chuang & Michael Nielsen. A lot of linear algebra knowledge, but then again, reviewing them again…

I have been deeply worried about antibiotic resistance for ages. Last night, Paul Turner’s Martin Lecture on leveraging evolutionary trade-offs for phage therapy was very encouraging. Professor…

Since I headed home early this afternoon, I was only able to go to a couple of talks this morning. Here are those highlights, and a couple of general observations about the meeting. Piers Coleman…

So it’s finals season, and earlier today some of the younger grad students were asking me for help studying for their topology finals. One of their practice problems was to build a cell complex with…

The planetarium at Albert-Schweitzer-Oberschule Chemnitz is restarting. Join us for the Tag der Astronomie on 28 March 2026 – free planetarium shows, telescopes, and live views through the…

Fun Fact: Tucson has never experienced 100-degree weather in March for as long as records have been kept. We are poised to blast through that record this weekend, along with a bunch of other…

I concluded the last installment in this series with a deceptively simple claim: Things exist.  This two-word quip is a scientific hypothesis, an explanation for some of my subjective…

Following from my last post, following are pairs of plots showing the relations between MoveDayA (top) and each of the three possible next sequences to prioritize. First I’ll focus on the peaks…

MP 163: Probably not as many as you think!Many of us who marvel at the wonder of mathematical constants just enjoyed another pi day. This year's celebration had me thinking about how we decide…

A new study of the vast Guangxi Beibu Gulf Marine Region (GBGMR) in southern China takes a close look at how environmental limits are being stretched by economic growth. It highlights the disparities…

https://dominicroye.github.io/color-for-geoscience/ A set of palettes used in geographical visualization, easily copyable via bsky

Four flew by Jet airplanes on their way to somewhere flew through these c irrocumulus stratiformis clouds. The airplanes are long gone; their contrails remain in the clouds as visible reminders of…

The nutrient cycle is one of the four foundational ecosystem processes, along with the energy cycle, water cycle, and cycle of life. It’s also one of the most overlooked drivers of farm profitability…

An experimental test of how frequently neutrinos interact with atomic nuclei has a best fit value of the Standard Model expectation and an uncertainty of less than ± 15%, which is impressive given…

In this telegram we are presenting multicolor photometric observations of AX Per from AO Shumen. According to S. N. Shore et al. (ATel #17630) there was an outburst in mid January increasing the…

Wonders of the Universe is the companion book to Brian Cox's TV show of the same name. I read the book on Hoopla, so probably didn't get the best way of viewing the book. The pictures are tiny, and…

Writing to Learn Math: Measurement is our way of connecting numbers to the things we find in the world, in daily life. Do you want your children to develop the ability to reason creatively and figure…

J’avais parlé l’automne dernier de l’affiche “Paysage mathématique“, en ligne sur le site https://kits.math.cnrs.fr/. Il y a eu depuis quelques “cartes…

It was another eclectic day at the APS Global Physics Summit. Here is a selection of highlights based on my stochastic sampling of talks. I've written before about CISS (the chirality-induced spin…

Google Research built Groundsource, a framework that uses Gemini to extract verified flood events from news reports across 80 languages, producing a 2.6 million event dataset spanning 150+ countries.

Could the closure of the Strait of Hormuz help save us from Hellish climate change? At least 20 percent of the world’s oil and gas has been shut down. What does it mean? The awful bright side of this…

The mystery of why the last million or so years of glacial variability are so different to what came before just got more mysterious… It’s easy to understand why the ice ages have such a…

Professor Fritz Vahrenholt revisits Germany’s transition to green energies (Energiewende), calling the country’s exit from nuclear power a huge mistake, one that even the current…

Messier 106 is no ordinary spiral galaxy. At 23.7 million light-years in the constellation Canes Venatici, a Seyfert II nucleus harbors a central black...

Gilles Brassard and Charlie Bennett Charlie Bennett and Gilles Brassard will receive the 2025 ACM Turing Award for their work on the foundations of quantum information science, the first Turing award…

There was a contentious theory in the 80s. It started in the 70s, but I wasn't there and can't speak to its contentiousness at that time. It was called the anthropic principle. It's attributed to…

Learning from some student projects

The BBC’s science correspondent, Pallab Ghosh, has an excellent article out today about the British government cutting funding for physics research. Specifically for blue-sky research, the sort of…

A few days ago I posted about the fact that AMSAT-DL had not received any signals from Tianwen-1 since 2025-12-23. For months, AMSAT-DL had kept listening to the orbiter’s frequency with the 20…

The meteorological Winter season has officially ended, but the atmosphere is currently locked in a dynamic seasonal transition. As we move deeper into Spring 2026, … The post Spring 2026…

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In the previous post, I worked my way through some key elements of TMLE theory as I try to understand how it all works. At its essence, TMLE is focused on getting the efficient influence function…

Air rifle power (specifically muzzle energy) is typically measured in either Joules or Ft-Lb. I never understood how these could be equivalent. The crux of the confusion comes from the fact that a…

Why concerns about population growth led to the logistic equation, and how the same curve later became central to probability models.

Proponents of nuclear power, whether politicians or representatives of the nuclear industry, have a long history of claiming that their technology will fix the latest of humanity's problems. Today…

[Note that this article is a transcript of the video embedded above.]On the northern edge of Los Angeles, fresh water spills down two stark concrete chutes perched on the foothills of the San Gabriel…