The latest blog posts to take off on Hacker News. 440 posts.
Cryptography tells us how to make a chain of trust rooted in special-purpose chips known as secure elements. But how do we come to trust our secure elements? I have been searching for solutions to this thorny supply chain problem . Ideally, one can directly inspect the construction of a chip, but any viable inspection…
This is a continuation of my post Dividing a square into similar rectangles, in which I discussed this puzzle: if you partition a square into n similar rectangles, what proportions can these rectan…
Surprisingly, even packaged foods that contain healthy components can qualify as ultra-processed. Jamie Grill Photography/Tetra Images via Getty Images Sara N. Burke, University of Florida Scientists have known for years that unhealthy diets – particularly those that are high in fat and sugar – may cause detrimental…
The Royal Astronomical Society (RAS) has today announced that all journals published by the Society will be Open Access (OA) from January 2024. This move will enable...
UC Irvine discovery offers new therapeutic target for treating mental illness
So we've landed on Mars, now we need somewhere to sit. It's pretty expensive to ship furniture from earth, so time to start building some chairs.
Occupational factors associated with higher sperm concentrations and serum testosterone
I'm sharing my experience dealing with what might be the most underdiagnosed and under-treated health disorder today.
Research by UCLA and Keck Observatory scientists concluded that the object, X7, could be a debris cloud from a stellar collision.
New CU Boulder research finds that overweight populations have a 22% higher mortality risk than those of healthy weight, while obese populations have as much as
Three men were accused of selling firearms to South London gangs. At their 2012 trial in Croydon Crown Court, the prosecution played the jury a recording, taken undercover, of the trio allegedly arranging a sale. But the men’s lawyers claimed that the recording was a fake, and that the police had fabricated it by…
GenX can suppress some white blood cells' ability to kill invaders.
A new study IDs a key contributor to the hyperactive autoimmune response and neuroinflammation that are the hallmarks of multiple sclerosis.
Yes, it’s a spicy title. Yes, I plan to back it with what I consider very reasonable evidence of the claims, in the form of a lot of research papers. I would simply ask that you read to the end before deciding I’ve lost it.
In a new study, CU Boulder astrophysicist Erica Nelson and her colleagues spotted six "fuzzy dots" of light in images from the James Webb Space Telescope. The
UChicago breakthrough creates methane fuel from sun, carbon dioxide and water
The recent Ohio train derailment and subsequent fire that released vinyl chloride into the environment has been a terrifying experience for the nearby population. The accident rekindles memories of the 1979 train accident in Mississauga, Ontario, when over 200,000 people had to be evacuated after a wheel bearing…
What color is the night sky? Contrary to prevailing views, the moonless night sky is rarely, if ever, black or blue. It is actually much more colorful. In this article, I'll describe some of the colors and the physical reasons for those colors.
New research suggests that as our universe expands, black holes gain mass, and this connection between black holes and the universe's expansion is the source of dark energy.
A new look at da Vinci’s papers reveals his insightful attempts to probe the nature of gravity 500 years ago
An ancient human foraging instinct, fueled by fructose, may hold clues to the development of Alzheimer’s disease, according to researchers.
Study No. 1 in The Astrophysical Journal: A Preferential Growth Channel for Supermassive Black Holes in Elliptical Galaxies at z ≲ 2 Study No. 2 in The Astrophysical Journal Letters: Observational Evidence for Cosmological Coupling of Black Holes and Its Implications for an Astrophysical Source o
Metal oxide nanoparticles – commonly used as food coloring and anti-caking agents in commercial ingredients – may damage parts of the human intestine, say Cornell and Binghamton University scientists.
Since 2021, Blue Origin has been making solar cells and transmission wire from regolith simulants.
A dimension is a physical quantity that can be measured, while a unit is a specific amount of a physical quantity. For example, time is a dimension, which can be measured in temporal units such as hours or seconds.
'One problem feeds into another, and make what began as a small issue into a much larger one'
