Neutrinos on Speed
The internet, twitterdom, blogosphere, and even the mainstream media are all alive today with wild speculations about a curious claim that neutrinos might travel faster than light. If you’re interested...
View ArticleWho was the Bringer of the Lines from Pauli?
Part of the entertainment at last night’s Physics & Astronomy Ball was a marvellously entertaining and informative after-dinner speech by particle physicist David Wark. David had to leave before...
View ArticleNeutrini via NOVA
There’s been quite a lot of discussion at this meeting so far about neutrino physics (and indeed neutrino astrophysics) which, I suppose, is not surprising given the proximity of my current location,...
View ArticleThe Curious Case of the 3.5 keV “Line” in Cluster Spectra
Earlier this week I went to a seminar. That’s a rare enough event these days given all the other things I have to do. The talk concerned was by Katie Mack, who was visiting the Astronomy Centre and it...
View ArticleThe 3.5 keV “Line” that (probably) wasn’t…
About a year ago I wrote a blog post about a mysterious “line” in the X-ray spectra of galaxy clusters corresponding to an energy of around 3.5 keV. The primary reference for the claim is a paper by...
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