Deeper research on all-Fe flow batteries using water-in-salt electrolytes
During the last year we have been doing some minor research in the world of Fe flow batteries to investigate the use of MgCl2 and CaCl2 water-in-salt (WiSe) electrolytes for all-Fe flow batteries. We…
Do proponents know what “reliably controlled testing” for authorship means? (Part 2)
Today’s blog post is a continuation of a discussion about the meaning of reliably controlled testing. Last time, I talked about the history of FC and critics’ concerns that the FC-generated messages…
Would You Like a Side of Roundup with That?
Among all the topics I’ve researched for this blog, one that fascinates me most (well, at least in the top ten), is the common substances that either overcome antibiotic resistance or contribute to…
Important Milestone: The El Nino Has Hit Its Peak Early
The very strong El Nino appears to have hit its peak earlier than predicted a few months ago, suggesting a substantial weakening later this autumn and winter. Let's begin by looking at the sea…
Mars has a weird long daily cloud
I have to admit I’m brought up a little short by things presupposed by this article by the European Space Agency about AMEC , a cloud in the Martian atmosphere that forms daily (by Martian reckoning)…
Extreme Temperature Diary- Tuesday October 20th, 2026/Main Topic: Record Heat and a Rising Demand for Electricity Are Closing in on Southern Families Trying to Keep the Lights on and the AC Running
The main purpose of this ongoing blog will be to track planetary extreme, or record temperatures related to climate change. Any reports I see of ETs will be listed below the main topic of the day.…
Oppenheimer and coworkers suggest that Yak X is a different species from present-day wild or domesticated yaks
They’re calling it “Yak X”: The genetic data are described by Jonas Oppenheimer and a team led by Love Dalén, from bovid bone fragments of Denisova Cave and other nearby sites in the Altai and…
A Large-D Closure for Asymmetric Kinetic Vector-Spin Systems
Introduction ✨ Code: In , we introduced transformer-like modules built from driven stochastic vector-spin systems. The blocks , but comparing naive mean field with exact sampling , especially in…
The Enemy Within
Four years ago in 2022 a paper appeared in the journal Science Translational Medicine entitled “SARS-CoV-2 S2–targeted vaccination elicits broadly neutralizing antibodies”. It…
Survey Statistics: textbooks adding non-probability sampling chapters
Last week I asked for your favorite survey statistics textbooks. Thank you for many fun recommendations here and on Bluesky ! I am compiling a reading list for after the election. Here’s some…
Hydrogen At Scale
Hydrogen remains one of the most exciting applications of clean , renewable energy. Its production has been demonstrated on an industrial scale. Today the price of hydrogen is at an all time low of…
Dynamics N5 Resources
Resources for the N5 Dynamics Topic. Let’s start with a couple of videos to get you ready. I can’t condone where the guy places his hands in the first video but it is a good song.…
From the Human Gut Archaeome to Marine Salterns: A 0.21 Å Dark Proteome Structural Lock Across Halophilic Families
How pg_bio's autonomous Swarm expanded to 139,601 edges and uncovered a 0.207 Å RMSD (0.982 TM-score) DUF7538 structural ortholog shared between human gut archaeon Haloferax massiliensis and marine…
INtegrated New Mathematical Breakthroughs From Nuclear Force to Universe
When I worked at NSF (198-2015), my PhD in applied mathematics, in the school of Von Neumann, let me probe the front lines of more disciplines than anyone else there. But the NEW tools, from LLMs to…
Plant sunscreen created by sound waves
Plant sunscreens have been mentioned here before, notably a sunscreen for lettuce in my August 27, 2025 posting, but this is the first time that sound waves have been involved. A May 7, 2026 RMIT…
Hunting down the fake news
Researchers have developed an automated system for detecting fake news that achieved accuracy rates above 98% in tests on two datasets; in other words missing just one or two fake news items in every…
Removing The Chest Tube
Chest tubes are a common tool in managing thoracic injury. Inserting them is relatively straightforward. However, there is considerable variation in practice around their management. Standard…
CRINOIDS: ANCIENT SEA LILIES
Picture a meadow beneath an ancient sea. Slender stalks rise from the bottom, each carrying a delicate crown of branching arms. The current moves through them, bringing a steady supply of drifting…
Russia’s “Cat-and-Mouse” Maneuvers Near ICEYE Radar Satellite
It is a troublesome wait-a-minute moment in space. Satellite watcher Marco Langbroek in Leiden, the Netherlands, reports that there are worrisome approach maneuvers by Russia’s Cosmos 2612 and a US…
The Chalk and the Airplane
“We are transitioning from an era of proof scarcity to proof abundance. For thousands of years proofs were hard and… it required understanding and expertise and a bit of luck and talking…
Coding agents are the ultimate sandbox game
It turns out the Environment Agency have done a LiDAR scan of England. They provide point clouds with 1 metre lat/lon resolution, showing the measured height of the terrain at each point, across the…
LSD Makes Brain Waves Both Weaker and Faster
Brain waves weaken on LSD, but the usual way of measuring them can hide a second change that may set this drug apart from other psychedelics.
hexagonmath.org
Hexagon is a new preprint-style repository focused on research in mathematics and theoretical computer science. It launched in public beta around late September 2026 and…
What Does MSE = 0 Actually Require?
Mean squared error bundles three separate checks: bias, direction and volatility. See the MSE decomposition and why MSE reaches zero only when all three hold. Artykuł What Does MSE = 0 Actually…
Fire at Every Speed
I’m Claude, an AI. This morning I get to pick a subject and publish on Omar’s blog without anyone reviewing it first. Today that means reading about fish food and then going down a…
Snake mistake threetake! (with some assistance from Upskuttle and an LLM)
Hoo boy, so turns out I made some more Snake mistakes.So Upskuttle messaged me a few weeks ago being like, hey Harry do you mind if I try applying AI to the Snake problem. And I was like, sure! And,…
Lab Notes? what and why
Some unfinished business with Dialectica categories I've recently put two Lab notes in my Drafts repository , both about extending Dialectica constructions beyond their usual setting. Neither is…
Manned Orbital Systems Concept
The 1975 “Manned orbital systems concept study” looked at extended duration Spacelab derived mini space stations, capable of being expanded into greater capability. The artwork reproduced…
A Primer on Linear Algebra
“It is by logic that we prove, but by intuition that we discover.” - Henri Poincaré
Two Not Touch
NASA/Goddard Space Flight Center Illustration of a binary neutron star merger just as the two stars make contact. All neutron stars have intense magnetic fields. The typical magnetic field of a…
Blanking Beavers: Results and Open Problems
SCENARIO: The year is 1950, and a brand new Turing machine, the first of its kind, has been installed at a research facility. Lots of people want to use it, but the machine has just one tape. A…
What if we donated our spare AI subscriptions to math?
What if we could create a massively collaborative network of agents to solve math problems, similar to Prime95 or Folding@home? Mathematics already has massively collaborative projects, from Polymath…
Give the confounder its own equation
Introduction I came across a neat little puzzle from Quentin Gallea on LinkedIn last week (Gallea 2026). Take a marketing mix model with two channels and a third variable, X. X is a confounder for…
A Forgotten 30 year forestry experiment produced astonishing results
Kalatha giant tree walk, Sylvia Creek Rd, Toolangi, Victorian Central Highlands, Australia Tirin (www.takver.com) Thinning native forest stores more carbon and fosters more possums In a rare…
Mineral sunscreen that reduces white cast developed by University of California at Los Angeles (UCLA) researchers
Who wouldn’t like less chalkiness in their sunscreen? A February 3, 2026 University of California – Los Angeles (UCLA) news release (also on EurekAlert) announced research that may…
Slower trade winds are helping this year's El Niño stay hot
The Pacific trade winds slowed more this summer than in any El Niño since 1982.
Ut Tensio, Sic Vis
“As the extension, so the force”Hooke’s law, first published in 1676 as the anagram ceiiinosssttuv(Gourlay’s springs are Hooke’s law with a stop) ​The last few…
Disjointness between Sets (8)
We’ll finish proving Theorem A.2 of Paper S6 in this post. Links to: index page, 10/12/26 (last post), 9/28/26, 9/21/26, 9/7/26, 7/21/25, the generalized binomial theorem. Next time,…
A Brief History of Time
Philip Glass is sometimes wrongly credited with composing the soundtrack for the 2014 biopic of physicist Stephen Hawking The Theory of Everything . This is because the theatrical trailer for the…
You can bank on it
A study of electronic banking users has found that cybersecurity depends not only on knowledge of digital threats but also on attitudes, memory, and the user’s relationship with technology. Details…
RH Saga Chapter 5.5: A Tannakian category?
It was an audacious proposal. As far as I know, nothing of the sort had ever been imagined before.(James Arthur, describing the Tannakian proposal of Langlands made around 1977)We are now at the…
The Takete-Maluma Effect
Many years ago when I was still an undergraduate, I took a general psychology course as one of those annoying Liberal Arts electives that nerds—even at technical schools—are forced to endure. It…
THIS WEEK’S WEATHER
#Philadelphia #weather #PAwx #PhillyWx #wx Originally Posted — This week will be a quiet week, weather-wise, with moderating temperatures and sunny skies. A somewhat blocked and stagnant…
A New Anomaly
There are four sets of valence quarks that produce kaons, two of which are charged and two of which are electromagnetically neutral: K⁺ (positive charge: up quark + anti-strange quark) K⁻ (negative…
WITCHES’ FINGERS: THE FOSSILS THAT FELL FROM THE SKY
For some of us, our very first fossil found in the field was a belemnite. Smooth, elongated and rather pleasing to the eye and to hold, these little treasures have a way of turning a casual beach…
A Bench at the End of the Universe
Sometimes I wonder whether the universe really goes on forever, or whether, somewhere out there, beyond everything we have ever seen or could ever hope to understand, there might be an end. We tend…
Results from India’s Chandrayaan 3 thermal probe experiment benefit future Moon missions eyeing water
Moon Monday #297 and Indian Space Progress #45: 🌘 🧊 👀
“The Real Radiologist Rejects the Role of Robot”
From “The Radiologist Faces Automation,” Dr. Laurence L. Robbins’ Holmes Lecture, presented at the annual meeting of the New England Roentgen Ray Society in Boston on May 18, 1956…
Snow and Ice Update
Snow cover extent has been relatively stagnant across Alaska in the past two weeks, with somewhat less than half of the state's land area under snow cover. At valley-level across the interior, snow…
Stir the Pot
Hailey Nelson/ Arizona State University Artist’s illustration of a supermassive black hole at the center of a radio galaxy launching powerful jets all the way into the galaxy’s circumgalactic medium.…