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Passion for Light
It’s been a busy few weeks, and that seems like a good excuse for my lack of posts. Since coming back from Scotland, I’ve been to: Paris, for our bi-monthly Planck Core Team meetings, discussing of the state of the data from the satellite, and of our ongoing processing of it; Cambridge, for yet more…
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I ramble
I’ve spent the last few days in the northern half of Great Britain. Wednesday, I was an external examiner for a (successful!) PhD exam at the Durham University. Thursday, I was at the University of Glasgow in service to the other end of the PhD experience in the UK, giving a one-hour lecture on the…
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STFC and UKSA
Funding for space missions in the UK was split from the Science and Technology Facilities Council to the the UK Space Agency earlier this year. Very roughly, UKSA will fund the missions themselves all the way through to the processing of data, while STFC will fund the science that comes from analysing the data. To…
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Watch Me Move
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I took a bit of time out from the astrophysics this week to head over to the Barbican for the “Watch Me Move” exhibition: more than a hundred years of film and video animation. From an 1880s hand-coloured “Pierrot” and Winsor McCay‘s 1911 animated version of his newspaper comic Little Nemo, to Toy Story and…
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One chance in 3.5 million
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Yes, more on statistics. In a recent NY Times article, science reporter Dennis Overbye discusses recent talks from Fermilab and CERN scientists which may hint at the discovery of the much-anticipated Higgs Boson. The executive summary is: it hasn’t been found yet. But in the course of the article, Overbye points out that To qualify…
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Astrophysics, Clocks and Fundamental Constants
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I spent last week at the Physizkentrum Bad Honnef on the Rhine, near Cologne, at conference with the name and wide-ranging remit “Astrophysics, Clocks and Fundamental Constants“. We were all there to talk about the ideas and technologies that relate those disparate fields: Can we measure what we think of as the fundamental constants of…
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Remembering Don Backer
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Today is the one-year anniversary of the death of Professor Don Backer, an astronomer at the University of California, Berkeley. I was a friend, colleague and collaborator of Don, and I never had the chance to appropriately memorialize him on that sad day a year ago. Don was a great radio astronomer who understood both…
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Urban Sputnik
Urban Sputnik is a new interactive cosmology exhibit currently showing at the Royal Institution. It was created by Vanessa Harden and Dominic Southgate of Gammaroot Design collaborating with some Imperial Astrophysicists: me, Dave Clements and Roberto Trotta. Unlike my other recent foray into the science/art overlap, this one is a bit more didactic (that is,…
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Kind of Bayesian
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[Apologies — this is long, technical, and there are too few examples. I am putting it out for commentary more than anything else…] In some recent articles and blog posts (including one in response to astronomer David Hogg), Columbia University statistician Andrew Gelman has outlined the philosophical position that he and some of his colleagues…
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Guest post: finding the most distant quasar
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A couple of weeks ago, a few of my astrophysics colleagues here at Imperial found the most distant quasar yet discovered, the innocuous red spot in the centre of this image: One of them, Daniel Mortlock, has offered to explain a bit more: Surely there’s just no way that something which happened 13 billion years…
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