Category Archives: Astrophysics

Brief Answers to the Big Questions by Stephen Hawking – review

Posted on 12/11/2018 by Jon Butterworth

Back in the Guardian (well, the Observer actually) with a review of Stephen Hawking’s final book . A couple of paragraphs didn’t make the edit; no complaints from me about that, but I put them here mainly for the sake of … Continue reading →

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Anti-protons, Dark Matter and Helium

Posted on 04/09/2018 by Jon Butterworth

First post of “Postcards from the Energy Frontier” at the Cosmic Shambles Network. A new measurement at CERN tells us something about the way particles travel through interstellar space. Which in turn may help a satellite on the International Space … Continue reading →

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First measurement of the Lyman-alpha lines of anti-hydrogen

Posted on 23/08/2018 by Jon Butterworth

The ALPHA experiment (no relation) at the CERN antiproton decelerator has just published the first measurement of the Lyman-alpha lines of anti-hydrogen (a positron bound to an antiproton)¹.  There is an excellent summary of the measurement here, written by Ana … Continue reading →

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Life, Physics and Everything

Posted on 13/08/2018 by Jon Butterworth

When the Guardian’s science blog network closes, Life & Physics will have been here for eight years. Physics has come a long way in that time, but there is (as always) more to be done… My sign-off from The Guardian.

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