Published on: 2025-07-17 03:31:20
Near-miss collisions between high-energy lead nuclei at the LHC generate intense electromagnetic fields that can knock out protons and transform lead into fleeting quantities of gold nuclei In a paper published in Physical Review Journals, the ALICE collaboration reports measurements that quantify the transmutation of lead into gold in CERN’s Large Hadron Collider (LHC). Transforming the base metal lead into the precious metal gold was a dream of medieval alchemists. This long-standing quest,
Keywords: alice gold lead lhc nucleus
Find related items on AmazonPublished on: 2025-08-07 17:43:50
The picture of electrons "orbiting" the nucleus like planets around the sun remains an enduring one, not only in popular images of the atom but also in the minds of many of us who know better. The proposal, first made in 1913, that the centrifugal force of the revolving electron just exactly balances the attractive force of the nucleus (in analogy with the centrifugal force of the moon in its orbit exactly counteracting the pull of the Earth's gravity) is a nice picture, but is simply untenable.
Keywords: atom electron energy nucleus probability
Find related items on AmazonPublished on: 2025-10-01 04:13:35
“Those chemical modifications that decorate [histones] and modify gene expression — they’re metabolites, full stop,” said Finley, the cancer biologist. “Chemical modifications themselves are metabolites, and their removal is dependent on metabolites.” Fifteen years ago, when Kathryn Wellen was a postdoc studying cancer cells, she discovered that the epigenetic marks on histones change in response to the presence of nutrients. When food is plentiful, mitochondria make a metabolite called acetyl-
Keywords: activity cells genes metabolic nucleus
Find related items on AmazonPublished on: 2025-11-14 09:03:37
A recurring theme of this Substack are my attempts to build out an accessible curriculum for hobby electronics. The target audience are folks who are no longer content with dumbed-down analogies, but who aren’t keen on academic textbooks brimming with obtuse jargon and advanced calculus. I’m particularly fond of the following foundational articles: Today, I’d like to take a step back and tackle a more basic question that isn’t always satisfactorily answered in high school: what is electricity a
Keywords: atom don electron electrons nucleus
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