Archive for November 28, 2016

Nailing Cosmological Jelly to the Wall

Posted in The Universe and Stuff with tags , , on November 28, 2016 by telescoper

When asked to provide comments for a recent piece about cosmology in New Scientist, all I could come up with was the quote in the following excerpt:

But no measurement will rule out inflation entirely, because it doesn’t make specific predictions. “There is a huge space of possible inflationary theories, which makes testing the basic idea very difficult,” says Peter Coles at Cardiff University, UK. “It’s like nailing jelly to the wall.”

Certain of my colleagues have cast doubt on whether I am qualified to comment on the nailing of jelly to the wall, so I feel obliged to share the results of my highly successful research into this in the form of the following photograph:
orange_jelly_nailed_to_wall

I regret that I was unable to find any Dark Jelly, so had to settle for the more familiar baryonic type. Also, for the record, I should point out that what is shown is actually jelly concentrate. A similar experiment with the more normal diluted form of jelly was somewhat less successful.

I hope this clarifies the situation.

Advertisements

Changing Patterns of Work

Posted in Biographical, Mental Health with tags on November 28, 2016 by telescoper

I read an interesting piece in yesterday’s Observer about a number of people who have decided to switch careers, or at least change the pattern of their working life, relatively late in life. Unlike the cases described in the article, I haven’t had the nerve to try an entirely new kind of job – at least not yet! – but I did feel the article in question had some relevance to my own decision, made a few months ago, to resign from my previous post as Head of the School of Mathematical and Physical Sciences at the University of Sussex and move back to Cardiff.

I’m not going to go into all the reasons for stepping down, but one of them is I wanted to establish a better work-life balance. Fortunately, I never sold my little house in Cardiff and had also paid off the mortgage on that property some years ago, so returning to live there full-time was relatively straightforward and meant reducing my outgoings considerably.  I was therefore more than happy to accept the offer of a position here on a 50% salary. In other words, I am officially a part-time member of staff. I’m planning to use the other 50% to pursue some other interests, such as writing a couple of books and running the Open Journal of Astrophysics, but generally just taking more time off the treadmill of academic life.

Another thing I ought to mention is that my current position is fixed-term, for three years only. The earliest I’ll be able to retire is when I am  55, which is still a couple of years away. Whether I do go then depends on a number of things, including how difficult the University funding environment becomes as a result of loss of EU income and the proposed large reduction in numbers of overseas students.  If things become really tight I think it’s important for people of my age to make way so that the younger generation have a better chance. Perhaps I won’t retire at that time anyway. Perhaps I’ll follow the example of the folk in the Observer piece and start a new career as something completely different!

Having said that I’m a part-time member of staff, I have to also admit that I’m finding it quite difficult actually working part-time. This is largely because the University’s calendar of business continues at a full-time rate. Some of the jobs I’ve been asked to do in my new role – specifically designing a couple of  new postgraduate courses – had to be completed quite soon after I arrived, something I had not realized when I accepted the position here! However, now that those deadlines have been met I can hopefully settle down to a regular pattern of work, involving a bit of teaching and research in the School of Physics & Astronomy and helping get the Data Innovation Research Institute off the ground. When things have settled into a steady state I think I’ll start filling in time sheets – not for anyone else’s use, but for my own records. I can manage comfortably on a part-time salary, but I draw the line at unpaid overtime.

On the other hand, it’s always difficult to draw the line when you’re an academic. We’re basically paid to think and most of us don’t stop doing that even during our time off..

Infinite LIGO Dreams

Posted in Art, The Universe and Stuff with tags , , , , , on November 28, 2016 by telescoper

There was a special event in the School of Physics & Astronomy here at Cardiff University on Friday afternoon – the unveiling of a new work of art in our coffee area. The work, a large oil painting, called Infinite LIGO Dreams by local artist Penelope Rose Cowley was inspired by the detection of gravitational waves earlier this year:

 

gravitational-wave-artwork-copyright-penelope-cowley-16x9

You can read more about this work, and the circumstances behind its creation, at the Cardiff University website and via the Physics World blog. If you like the piece you can order a poster-sized print from Penelope Cowleys’s own website here.

The unveiling of this artwork was preceded by a drinks reception, which probably accounts for the errors that crept into the blog post I wrote on Friday after the party!