Tootfinder

I don’t want to blame Deutsche Bahn for either the hazmat incident on the way to Maastricht or the track closure due to a suspected accident on the way back.
But it’s nevertheless a fact that I was unable to reach my destination within a reasonable time in both cases. It was expensive and didn’t work out.

I don’t want to blame Deutsche Bahn for either the hazmat incident on the way to Maastricht or the track closure due to a suspected accident on the way back.
But it’s nevertheless a fact that I was unable to reach my destination within a reasonable time in both cases. It was expensive and didn’t work out.

Emergent gravitational action from non-local $T\bar T$-like deformations
Yun-Ze Li, Bo-Rui Li, Yu-Xiao Liu, Song He
https://arxiv.org/abs/2608.05913 https://arxiv.org/pdf/2608.05913 https://arxiv.org/html/2608.05913
arXiv:2608.05913v1 Announce Type: new
Abstract: We study the gravitational effective action induced, at first order in the deformation parameter, by non-local $T\bar T$-like deformations of quantum field theories. Using a heat-kernel formulation, we extract the local geometric terms generated by stress-tensor two-point functions, and apply the construction to free fermions, massive Maxwell theory, and second-order Yang-Mills theory. While the resulting coefficients are generally model dependent, conformal field theories contain a universal sector fixed by the central charge $C_T$. After regularization and renormalization, this sector yields finite, scheme-independent contributions organized into a finite set of curvature invariants. We further analyze trace-trace deformations, for which the relevant contact terms are determined by the Weyl anomaly, and derive the corresponding finite gravitational action for a general class of minimal non-local kernels. These results provide a quantum effective-action realization of induced gravity in which universal conformal data determine calculable contributions to the emergent geometric response.
toXiv_bot_toot

Largest U.S. power grid operator PJM ​said on Friday ​it was ​under a federal alert to cut electricity consumption across its territory as ⁠it ‌battled generator outages, massive overloading ⁠on its transmission lines and a surge in air conditioning use from prolonged sweltering ‌heat.
https://www.…

Largest U.S. power grid PJM escalates emergency actions to avoid blackouts
PJM ​said ​it was ​under a federal alert to cut electricity consumption. It serves 67 million people ⁠in the Mid-Atlantic, South and Washington, D.C., area.

“… smart glasses are becoming slimmer, less noticeable […], raising concerns not only about exam integrity, but also about broader privacy risks.”
Maybe I missed it, but so far I haven’t seen much discussion of the risks posed by #smartglasses in academic settings in particular, for both students and instructors.

AI glasses are aiding cheating in exams. Test-obsessed Asia is ground zero
For as long as there have been tests in schools, students have found ways to cheat, whether its peeking over a classmate’s shoulder or scribbling notes on a palm or crib sheet.

The US House Judiciary Committee is coming down hard on the S. Korean government for its actions against online retailer Coupang following a massive breach.
New Report Exposes South Korea's Discriminatory Attacks on American-owned Businesses
https://

New Report Exposes South Korea's Discriminatory Attacks on American-owned Businesses
WASHINGTON, D.C. – Today, the House Judiciary Committee released an interim staff report titled, "Closed for Competition: South Korea's Discriminatory Attacks on American-owned Businesses." The report details South Korea's history of discriminatory treatment against American-owned businesses and the ways in which it has escalated over the past sever

Filings: President Trump purchased up to $5M each in Broadcom, Meta, Amazon, Apple, Microsoft, and Nvidia stocks on July 23, the same day as his AI action plan (New York Times)
https://www.nytimes.com/2026/07/01/us/pol…

Crypto Brought Trump a Huge Windfall, Even as Many Investors Lost Big
President Trump and his family reaped vast financial rewards from a memecoin that generated losses for hundreds of thousands of investors.

This is the most detailed picture of a human cell ever made 🧪
https://www.instagram.com/reel/DX1CGIZMKJs/?igsh=NTc4MTIwNjQ2YQ

Sam Bousaba on Instagram: "This is a single human cell. The white filament-like structures are microtubules, and the small colored particles are ribosomes. Your body contains on the order of ~37 trillion cells. Each cell functions like a highly organized, self-regulating factory operating continuously. There is no central “supervisor”—yet thousands of processes run in parallel with remarkable coordination. Every ribosome is constantly building proteins by linking amino acids together. In eukaryotic (human) cells, a ribosome typically adds about 5–10 amino acids per second (not ~20). Since a single cell can contain millions of ribosomes, protein production is massive—resulting in millions to tens of millions of peptide bonds formed per second per cell. The microtubules act as an internal transport network. Motor proteins such as kinesin move along these tracks, carrying cellular cargo. They “walk” step by step using ATP, at speeds of roughly 500–1000 nanometers per second. Each cell contains a dense network of these filaments, with many motor proteins moving simultaneously. Just beneath the cell membrane lies the actin cortex, a dynamic meshwork that helps maintain cell shape and resist mechanical stress. This structure is continuously remodeled—assembled and disassembled—allowing the cell to adapt to its environment. Now scale this up. Across ~37 trillion cells, each containing millions of ribosomes and hundreds to thousands of mitochondria, your body is constantly producing energy in the form of ATP. Total ATP turnover is enormous—roughly equivalent to your body weight in ATP recycled every day. The DNA in a single human cell, if stretched out, measures about 2 meters. Across all your cells, this would span distances comparable to traveling from Earth to the Sun and back many times (the exact multiple depends on assumptions about cell count and DNA packing). None of these processes are under conscious control. They began when you were a single cell and have continued uninterrupted ever since."
62K likes, 2,387 comments - scienceoftheuniverse on May 2, 2026: "This is a single human cell. The white filament-like structures are microtubules, and the small colored particles are ribosomes. Your body contains on the order of ~37 trillion cells. Each cell functions like a highly organized, self-regulating factory operating continuously. There is no central “supervisor”—yet thousands of processes run in parallel with remarkable coordination. Every ribosome is constantly building prot…

“… smart glasses are becoming slimmer, less noticeable […], raising concerns not only about exam integrity, but also about broader privacy risks.”
Maybe I missed it, but so far I haven’t seen much discussion of the risks posed by #smartglasses in academic settings in particular, for both students and instructors.

“… smart glasses are becoming slimmer, less noticeable […], raising concerns not only about exam integrity, but also about broader privacy risks.”
Maybe I missed it, but so far I haven’t seen much discussion of the risks posed by #smartglasses in academic settings in particular, for both students and instructors.