August 2009

  • Blogging Anniversary, and Other Celebrations

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    I was sitting in the lecture theatre of the Royal Institution at the Science Online London meeting (of which I hope to write more later, but you can retroactively follow the day’s tweets or just search for the day’s tags) when I realized I had missed the fifth anniversary of this blog this past July.…

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  • Elvis blues

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    Today is the thirty-second anniversary of Elvis Presley’s death. It was recently brought to my attention that I am now older than he was on that day. But rather than sit in the bathroom and eat cheeseburgers, I’ll just leave you with this: I was thinking that night about Elvis Day that he died, day…

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  • Healthcare for profit and for good

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    OK, if you are bored with my occasional forays into politics or religion, I apologize for this post on a subject about which I know even less. I was preparing a long post on my expatriate view of the US healthcare system versus the UK NHS (and I’ve even had a few years under the…

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  • Astronomical Objects, Near and Far

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    The Hubble Ultra Deep Field (HUDF) is the “deepest” optical observation of the Universe: eleven days of Hubble Space Telescope observations concentrated on a tiny patch of sky. I recently came across this three-dimensional mockup of the HUDF, using our measurements of the redshifts (related to the distances) of each of the galaxies in the…

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  • On the Dark Side?

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    A few weeks ago, I took part in a “Big Questions” debate with Subir Sarkar, a colleague from Oxford, on Dark Energy and the Fate of the Universe. For those of you who couldn’t attend, a related podcast is available, you can download my meagre slides, and it’s been mentioned on Physics World, as well…

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