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Last Remarks

Posted in Biographical, Education, Euclid, Maynooth, The Universe and Stuff, Uncategorized with tags , , on May 11, 2025 by telescoper

On Friday (9th May), the last day of undergraduate teaching at Maynooth, I gave the last lecture in my module on Particle Physics. I actually finished the syllabus on Tuesday (6th) so the final one was more a revision class than a lecture. I used it to go through some past examination questions and (try to) answer some general points raised by the class.

What surprised me about this lecture was that, as has usually been the case, there was more-or-less a full attendance. Examinations in Maynooth start on Friday (May 16th), but the Particle Physics examination is not until May 27th, near the end of the examination period. I therefore expected that many students would be concentrating on their revision for their other modules, which have exams earlier in the season or finishing their projects (which are due in before the exams start). There were one or two absences, but most came anyway. In fact there was even an extra student, one of our MSc students. When I saw him at the back of the lecture hall I asked, jokingly, why he had come. He replied “I haven’t got anything better to do”. I wasn’t sure how to interpret that!

That lecture was at 11am. Later that day, at 3pm, I gave a Departmental colloquium (which had quite a big audience). The title was Euclid: The Story So Far and the abstract was

The European Space Agency’s Euclid satellite was launched on 1st July 2023 and, after instrument calibration and performance verification, the main cosmological survey is now well under way. In this talk I will explain the main science goals of Euclid, give a brief summary of progress so far, showcase some of the science results already obtained, and set out the time line for future developments, including the main data releases and cosmological analysis.

The audience for these talks is very mixed: experimental and theoretical physics staff, postgraduates and even some undergraduate students (including some who were in my lecture earlier) so it was quite a general talk rather than one I might give to an specialist astrophysics audience. If you’re interested you can find the slides here.

Having a quick cup of tea after the end of the talk and before I headed off to catch the train, I talked briefly with a student who is taking his final examinations at Maynooth this year. He told me that I had actually given the first lecture he attended when he had just started his first year and the colloquium was the last talk he would attend at Maynooth. That would be the case for quite a few students in the audience, I suppose, but it won’t be true for any in future: I am no longer teaching any modules taken by first year students, and I’ll be retired when the current first year students graduate…

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Darkness into Light Maynooth

Posted in Biographical, Maynooth with tags , on May 10, 2025 by telescoper
The start
Dunboyne Road
The end
Carton House Grounds

It’s about 6am and I’m back home after Darkness into Light. Despite having to get up at half past three in the morning, it was a very enjoyable event: a large crowd of at least a thousand, and a lovely morning without a cloud in the sky, not particularly warm, but an acceptable 8°C, and made all the more atmospheric by the mist, especially over the grounds of Carton House (the entrance to which we passed en route) and the birdsong of the dawn chorus.

The walk itself is about 5km, but I had to walk about 2km from home to get to the start at Maynooth GAA and about 2km home from there afterwards, so it was a good bit of exercise. More importantly, I raised €312.28 for Pieta. Thank you to everyone who contributed! The fundraiser will stay open until the end of June if you’d like to donate you still can!

And now, if you’ll excuse me, I think I’ll go back to bed for a couple of hours…

P.S. Darkness into Light is a national event, as you can read here.

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After the Lectures

Posted in Biographical, Education, Maynooth, Music with tags , , on May 9, 2025 by telescoper

Today has been such a busy day that I’ve only got time for a quick post. This morning was spent preparing and delivering a revision lecture, and this afternoon preparing and delivering a Departmental Colloquium.  That done I headed straight for the railway station to get the train into Dublin and thence by foot to the National Concert Hall.

So here I am, sipping a glass of nicely chilled white wine as I wait for tonight’s performance. I’ll post a review tomorrow but, until then, Cheers!

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The Pope, the Atheist, a Black Cat and Dave Allen

Posted in Biographical, Television with tags , , , , , on May 7, 2025 by telescoper

Today is the day that 133 Cardinals gather in the Vatican to enter the autoclave (is this right? Ed) in which they will elect the next Pontiff of the Roman Catholic Church. Good luck to them, as it seems like they will be under a lot of pressure for the next few days.

For some reason this news reminded me of the late great Irish comedian Dave Allen. He was hugely popular on British TV in the 70s and 80s. He had his own show in a prime-time slot on Saturday evenings on BBC1 for many years, which was mandatory family viewing in our house. The show included some pre-recorded sketches but I think the best bits involved him just sitting, talking and telling stories. He wasn’t a stand-up comedian. He didn’t often tell jokes either, his humour was mainly observational and satirical, especially about politics and religion. Although an atheist he never really mocked religious belief, but he did make fun of the pomposity and hypocrisy that often goes with it.

I found this quote in which he expresses thoughts about hierarchies very close to mine:

The hierarchy of everything in my life has always bothered me. I’m bothered by power. People, whoever they might be, whether it’s the government, or the policeman in the uniform, or the man on the door—they still irk me a bit.

Anyway, here he is telling a joke that seems relevant.

P.S. He always made out that the glass on the table beside him contained whisky, but it was always just a dash of ginger ale with an ice cube in it.

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Examinations in May

Posted in Biographical, Education, Maynooth with tags , , , on May 5, 2025 by telescoper

In the Irish language, the month of May is called Bealtaine after the old Celtic festival that marks the mid-point between the Spring Equinox and the Summer Solstice. May Day is Lá Bealtaine, one of the so-called Cross-Quarter Days that lie halfway between the equinoxes and solstices. The Bank Holiday associated with this day is not May 1st, as it is throughout Europe, but the first Monday of May, which this year means today. I’m therefore officially off work, though I have quite a few things to do so will be working from home for most of today.

This Bank Holiday offers a bit of a breather before the end of teaching term (Friday May 9th) and the start of the Examination period (Friday May 16th). There are just four more days of teaching, and I have just a couple more lectures to do. In a normal week I would have a Particle Physics tutorial this Monday afternoon, but instead I have offered to do one next Monday (12th) to go through the last assignment which is due in on Friday. The examination for Particle Physics is on 27th May, which is one of the last of the year; this is a final-year module so for many students it will be their last examination at Maynooth.

My Computational Physics students are working on their projects which are due in on Friday 9th; that gives me about a week to grade them before the examinations start. The Computational Physics written examination is on Monday May 19th and if all goes to plan I will have the projects marked before I embark on the examination scripts. Instead of formal teaching sessions, the computing lab, together with demonstrator assistance, is at the disposal of the students for their projects during this time. I anticipate plenty of last-minute acitivity in Thursday’s session!

Anyway, on Friday I have to give a Departmental Colloquium as well as my final Particle Physics lecture. Then, to mark the end of teaching, I’m going to the National Concert Hall to listen to some music. The next morning I’ll have to get up very early for the Darkness Into Light, which involves a 5km walk ending at sunrise.

After next week attention will turn to examinations. For me that’s not only in Maynooth. I haven’t mentiond it on here before but I have agreed to act as External Examiner for undergraduate Physics programmes at Imperial College, London, for the next few years. The meeting of the Examination Board there is not until July, which is long after ours in Maynooth so there will be no clash, but I have been doing some work (vetting papers, etc) alongside my own work. The examinations at Imperial take place roughly alongside ours, but there are so many more students there than at Maynooth that a longer time is needed for grading the scripts so the end of the process is much later.

In the past, I’ve been External Examiner in a number of UK universities. The last was Cambridge, in fact, where my term ended in 2017 while I was still working in Cardiff. I haven’t done any since moving to Ireland: being Head of Department, especially during lockdown, did not allow me the time. My term as External at Imperial will last until I retire, so this is the last such job I’ll be doing.

There’s quite a lot of work involved with being an External Examiner, but I always find it interesting to see how other institutions run their programmes. As well as providing feedback and, if necessary, advice to the Institution I always pick up interesting ideas from them too. Imperial’s Physics programmes are much broader than ours, so there’s a huge difference in scale, but I’m sure there will be things to learn. I mean in general terms, of course. All the details are confidential, for obvious reasons.

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Wyn Evans for Chancellor of Cambridge University!

Posted in Biographical, Education, Harassment Bullying etc with tags , , , , on May 4, 2025 by telescoper

I thought I’d post a quick follow-up to this post about the campaign by Prof. Wyn Evans to be the next Chancellor of Cambridge University. When I posted that item, Wyn was seeking enough nominations to stand for election. I’m very glad to pass on the news that he got over 100 nominations, more than twice the number required to stand for election. He is therefore an official candidate for the election that will take place in July. I am a graduate of Cambridge University and have registered to vote in the forthcoming election.

P.S. This all reminds me that a mere 40 years ago I was preparing for my finals at Cambridge. I still have the papers I sat then and will share them on the anniversary for old times’ sake. The first papers were on Wednesday 22nd May 1985.

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The Spanish Power Outage

Posted in Barcelona, Biographical, Euclid with tags , , on April 28, 2025 by telescoper

The first I knew about today’s massive failure of electricy grids across the Iberian peninsula was at 4 o’clock this afternoon, when I tuned in to a regular Euclid telecon and found that the expected speaker wasn’t able to give their presentation because there was no power in Spain. I was subsequently shocked to discover the scale of the outage, the cause of which remains unknown (at least to me). I’ve often thought that Ireland’s power grid was a bit unstable but I’ve never known the whole country to be shut down!

It all reminded me of the 2003 power blackout in the North-Eastern USA and Canada.

There has been speculation about an “unusual atmospheric phenomenon” being the cause, but that seems somewhat implausible. Indeed, nothing I’ve read so far about the cause of this event makes much sense.

This time last year I was in Barcelona, and today’s events got me thinking what it would have been like to be there without any power. The apartment I was living in was all-electric so there would have been little I could do – no light, no cooking, no air conditioning, no internet, no TV, no radio. I was on the top floor and the lift was powered by electricity so I would have had to use the stairs to get in or out. It would have been an interesting experience to see the city in total darkness from my balcony.

Had I been in the Department of Physics when the power went off I probably would have had to walk home, as the Metro would not have been running and with all the traffic lights off the roads would be even more chaotic than usual. That would have meant a walk of an hour or so, which would have been annoying, but feasible. Come to think of it, people actually on the Metro when the failure happened would have been stuck in a tunnel which must have been very unpleasant.

Anyway I hope all my friends and colleagues in Spain are not too badly inconvenienced and that this very weird event doesn’t lead to any serious issues. I understand the power supply to hospitals is secure, which is a relief. I must admit though I am very curious to learn the cause of this catastrophic failure. Was it human error? Deliberate sabotage? Or was it really an “unusual atmospheric phenomenon”? No doubt there will be a full investigation and we’ll find out in due course.

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Quasimodo Sunday

Posted in Biographical, Education, Maynooth with tags , , , , on April 27, 2025 by telescoper

One of the useless facts stored in the increasingly inaccessible recesses of my memory is that the first Sunday after Easter is sometimes called Quasimodo Sunday, not for Hunchback of Notre Dame, but from the start of the traditional introit to the roman liturgy for this day: Quasi modo géniti infántes… (“in the manner of newborn babes”).

This year in Maynooth University Quasimodo Sunday is the last day before the students return after a short Easter break for the remaining two weeks of teaching of the Spring Semester. It’s just less than two weeks of teaching, actually, because Monday 5th May is a public holiday. This will be a very busy period as we have not only to finish teaching our modules, but also to complete grading any remaining assessments ahead of the examinations that start on 16th May. I have just four lectures and two tutorials remaining in Particle Physics but I have one assignment still to correct (which I intend to do this afternoon) and there will be one more due in at the end of term (Friday 9th May). In Computational Physics the only item on the agenda for students is the project work also due in on 9th May, at which point I will have reports from 32 students to grade. Then there’s the examinations…

I also have another important job to do over the next couple of weeks, which I can’t write about here. I had hoped to start on it a few weeks ago but that plan was stymied by a bureaucratic delay, so I actually only got started last Friday. It looks like I’ll have to do it alongside everything else during the next two weeks. I won’t post about it until it’s finished, but I’m optimistic that it will turn out well.

Oh, and I’m giving a Colloquium in the Department of Physics on 9th May too. It’s all go.

The weather was mostly rather grim over the Easter break but has improved today and the forecast for the next few days is good. I propose to mow the lawn before starting on my grading tasks. I have let the grass grow for a while, resulting in a splendid crop of dandelions which, among other things, are good for the bees. Dandelions are generally thought of as weeds but the I find the splashes of yellow colour all around very easy on the eye and do not share the desire that some people have to destroy them on sight. In fact there seem to be more around than I’ve noticed in previous years. I’ll let the ones at the back of my house carry on for a while, but I’m sure others will soon grow in the front after I mow the lawn.

Update: mowing was hard work because the grass was still rather wet.  I gave it a rough cut and will go over it again in a couple of days when what’s left will hopefully be dry.

As well as dandelions, there are quite a few cowslips here and there:

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An Event at the Museum

Posted in Biographical, Maynooth with tags , , , , , on April 25, 2025 by telescoper

I forgot to mention in my post about Brian Schmidt’s lecture that the following day (on Tuesday 15th April) there was an event in the National Museum at Maynooth in which he met some of our graduate students and talked to them about their work.

I wasn’t able to attend owing to teaching commitments but I gather it was a very enjoyable occasion. There is a news item with some nice pictures here.

It’s worth mentioning that the National Museum – part of St Patrick’s Pontifical University which shares the Maynooth campus with Maynooth University – has a very interesting Science collection, including a large group of scientific instruments mostly associated with Nicholas Callan. The museum now has the largest collection of scientific instruments on public display in Ireland, most of which were manufactured in Ireland between 1880 and 1920. It also contains a collection of ecclesiastical artifacts from the past three centuries. It’s quite strange to see the juxtaposition of microscopes, electrical devices and surveying instruments with rosaries and religious vestments! You can find the opening hours of the museum here.

More importantly, outside the Museum, staff took the opportunity of his visit to teach Brian the rudiments of hurling, a sport which transcends both science and religion:

I’m told they didn’t put any windows out.

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When you’re invited to a conference in the US…

Posted in Biographical, Politics on April 22, 2025 by telescoper

I’ve been hearing and reading lots of stories over the last month or so of people being denied entry to the United States like this one in the Guardian about a French researcher who was travelling to a conference. It seems that immigration officials are likely to confiscate and search phones and laptops for evidence of unacceptable opinions. And that’s just the start – you’re liable to be detained and deported if the goons at the border don’t like the cut of your jib.

Ireland is one of several countries (including France, Germany and Denmark) officially advising those travelling to the USA to use a burner phone instead of their usual mobile and leave their normal laptop behind. That goes for tourists just as much as people on business or travelling to meetings.

A more sensible alternative (for those of us who have the choice) is not to go there. It’s worth neither the hassle nor the risk. You can probably give your talk remotely anyway. For the indefinite future, this will be my response if I’m invited to travel to a conference in the USA:

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