Archive for January 20, 2016

Physics & Astronomy at Sussex – The Videos!

Posted in Brighton, Education with tags , , on January 20, 2016 by telescoper

So the annual University admissions cycle is getting into gear, which means I’ll be spending quite a few Saturdays giving talks and chatting to prospective students and their parents. As we prepare for  the first of Applicant Visit Days at the University of Sussex (on Saturday 23rd January) we’ve produced a number of videos featuring current students in the Department of Physics & Astronomy. I thought I’d share a couple here.

First here’s Anjelah, a student on our 4-year MPhys degree in Theoretical Physics. She still seems quite keen, despite having taken my Theoretical Physics module in her second year!

Here’s Joe, a 4-year MPhys (Physics) student:

And here’s another by Linn, who is on the BSc in Physics with Astrophysics degree:

You’ll notice that both of them talk about our dedicated study spaces, which the students really like. We’re one of the few Physics & Astronomy Departments in the UK – in fact the only that I know of – that has turned over the management of a large suite of rooms over to our students. We don’t just allow them to use the rooms 24 hours a day; we also give them a budget for furniture and books and they basically decide what they want and how to arrange it all. We also provide a constant supply of free tea and coffee (although I have to admit that I do pop in there from time to time and help myself too).



The Universe is inhomogeneous. Does it matter?

Posted in The Universe and Stuff with tags , on January 20, 2016 by telescoper

Interesting piece by Buchert et al. about the role of inhomogeneities in cosmology….


Yes! The biggest problem in cosmology—the apparent acceleration of the expansion of the Universe and the nature of dark energy—has stimulated a debate about “backreaction”, namely the effect of inhomogeneities in matter and geometry on the average evolution of the Universe. Our recent paper aims to close a chapter of that debate, to encourage exciting new research in the future.

Although matter in the Universe was extremely uniform when the cosmic microwave background radiation formed, since then gravitational instability led to

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