In UR bibliography checking UR citations
I read about this paper many years ago in Physics Today, where there was also a comment from Hetherington’s wife: She said she slept with both authors.
Feline Physicist
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Tag Archives: physics
Supernova notes
- Why M82’s New Supernova Excites Astronomers
- Supernova Alert!
- Supernova in M82 Keeps Brightening
- Bright New Supernova Blows Up in Nearby M82, the Cigar Galaxy
- Hot News! Supernova in M82
- KABOOM! Nearby Galaxy M82 Hosts a New Supernova!
- Earth-shattering kabooms: A supernova in our lifetimes? Actually the forces involved are far beyond those available to Marvin the Martian. See Lethal Neutrinos.
- Bryan Gaensler, as I mentioned here, suggested some of the consequences:
Back of envelope calc: 106 [1,000,000] cubic parsecs fried by #M82supernova. Approximately 5000 earth-like planets wiped out.
“A world-class scientific-media screw-up”
From Matt Strassler.
Did Hawking Say “There Are No Black Holes”?
This is one of the responses by scientists to that media story. It is the snarkiest I have seen so far 🙂
The dirty secret behind ball lightning ….
This shows the role of luck in scientific discovery:
a team of researchers serendipitously observed ball lightning at a time when they had the right equipment to study it. Jianyong Cen, Ping Yuan, and Simin Xue were in the field measuring the properties of ordinary lightning when they happened to catch ball lightning with both their high-speed cameras and their spectrographs
Comparing Temperatures
“Astronomical”
Is it possible to get a lethal radiation dose of neutrinos? Yes, if you were close enough to a supernova. But in that case you would have other problems that are a lot more serious.
Charles Darwin vs. Lord Kelvin
Scientific Paradoxes are Omens of Advance
Note comment #4, which quotes Ernest Rutherford.
Did the LHC Just Rule Out String Theory?!
No.
From black holes to bombs, and back again
Physicists, like the ancient Greeks, like to gossip about the gods. A few days ago, three physicists* were talking on Twitter** about a review by a fourth physicist, Freeman Dyson, of a biography of one of these gods, J. Robert Oppenheimer, and about his war with another one, John Archibald Wheeler.
From Hilbert Space to Dilbert Space, and beyond 