Search Results for: USC

Backreacting Asymptotically

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(Random title constructed to reply to Bee’s post called Asymptotic Backreaction.)

You know, I’ve made some great online friends here on this blog. It’s all the result of that community I’m trying to keep going (and expand) here with contributions to the conversation from many of you in the comments, and even sometimes in guest posts. I’ve been lucky enough to meet some of these new friends since everyone likes to pass through Los Angeles sooner or later. In the past six months, four familiar Asymptotia contributors have passed through Los Angeles and I’ve been lucky and delighted to meet them: – Amara (November; on her way to a conference, and she gave us a talk – I’m trying to get her to do a guest post on her “Watering the Earth” topic one day), Candace (January; on her way to a conference here -she did a guest post) by the way, Athena (two weeks ago, on the way to a conference), and this week I finally met Bee (also giving a talk, and on her travels -she’s also done a guest post by the way) who turns out to have just that same excellent eye for observation, and quietly sharp sense of humour, as her blog posts. (She’s the main blogger behind the excellent Backreaction, and she’s done a post there which briefly mentions her visit to Disney Concert Hall with me.)

Anyway, in the photo below is Bee (click for larger), at Grand Central Market (inserted into a photo taken near one you saw earlier. See also this post.):

Sabine Hossenfelder at Grand Central Market

Tameem, a student of mine, has teased me a bit about my showing visitors around, […] Click to continue reading this post →

Taking the Time to Work it out

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Itzhak BarsOne of my colleagues here at USC, Itzhak Bars (picture right, by Don Milici), spends a lot of effort trying to understand aspects of time. In fact, in his way of approaching things, the fact that we see a single time dimension (all the others being space dimensions) would be a consequence of certain choices (“gauge choices”, in the more technical language) made, whereas in the underlying formulation, there’s be two times. Yes, two.

You hear about extra dimensions, and you think “string theory”, no doubt. No, this is nothing to do with string theory. He’s developed this idea independently of string theory for years, working first with quantum mechanics, and […] Click to continue reading this post →

First Day of the Rest of Their Lives

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Cliché, I know, but I presume that is what calling it “Commencement Day” is all about. Is that not right?

commencement day
(Commencement Day: Part of the crowd of graduates, family, and friends assembled in front of the grand stage set up in front of the Doheny library.)

commencement daycommencement dayYesterday was both a happy and slightly sad day for me, because I’m a bit of a softy when it comes down to it. Quite a number of the students I taught over the last few years graduated yesterday. While I was so pleased to see them all happy and looking forward to moving on, and meet their parents and siblings, I was also a bit sad, since I won’t be seeing them around the campus any more. I feel like I’m losing a number of good friends, which seems like an odd thing to say given that I don’t really know them all as friends in the usual sense…. But I got accustomed to seeing them around, spending time with them talking, laughing, worrying, puzzling… getting coffee, milkshakes… They became a real part of my life for a while… Now they are off to take on the world. I feel a bit like a parent… perhaps I’m getting broody?

The campus was lovely yesterday, even more than it usually is. The ground staff […] Click to continue reading this post →

Categorically Not! – Recycling

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The next Categorically Not! is Sunday 13th May – Mother’s Day! (USA). The Categorically Not! series of events that are held at the Santa Monica Art Studios, (with occasional exceptions). It’s a series – started and run by science writer K. C. Cole – of fun and informative conversations deliberately ignoring the traditional boundaries between art, science, humanities, and other subjects. I strongly encourage you to come to them if you’re in the area. Here is the website that describes past ones, and upcoming ones. See the links below for some recent descriptions (and even video) of previous events.

The theme this month is recycling. Here’s the description from the site:

Everything gets recycled: newspapers and banana peels, the air you breathe and the earth you walk on; some would even say our souls. Our bodies, we know, are made from materials recycled in generations of stars. The mix of genes that makes us who we are is a stew recycled by long lines ancestors—something nice to remember on Mother’s Day. Artists recycle everything from concrete objects to abstract ideas. New musical forms—like new scientific theories—are inevitably reconstructed from pieces of the past.

We’ll start with the ancestors of us all: the stars. An astrophysicist with the Carnegie Observatories, Alan Dressler uses both the Hubble Space Telescope […] Click to continue reading this post →

Chocolaty Book Fun

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Ah yes, it is that time of year again. The LA Times book festival is on, starting today, and it was kicked off with the swanky Book Awards festival last night, followed by a reception. This all takes place on the UCLA campus, in Westwood. You might recall that I went last year and reported on it. [(Update: A version of the post is here.] (If in town, go to the LA Times website for more information and find your way over there either today or tomorrow!)

So I went to the Awards show again because:

  1. I enjoyed it last year,
  2. I like “book people”,
  3. I like the idea that in the city where there’s a swanky Awards ceremony for everything else, they have one for books,
  4. I like the unashamed delight that everyone takes in the value of the word on the page… there were some very nice speeches from the master of ceremonies (Jim Lehrer this year) and the various presenters in each category (all authors themselves) about the various aspects of this (all the way from history to Children’s books, to Science…)
  5. I wanted to see if they would have chocolate fountains again. They did.
  6. I wanted to see if they had old typewriters embedded inside ice sculptures again. They did.
  7. I can never be mistaken for an actual author at the reception too many times,
  8. I like dressing up, from time to time. (Never let it be said that I am not honest with you on this blog.)

book prizes   book prizes

(Above: MC for the night, PBS Newshour host Jim Lehrer, and the LA Times’ Kenneth Turan, on the set/stage. I really like the work of both of these guys…)

Spent most of the evening after the ceremony at the reception talking with LA Times (or related) people and their spouses. This was not my intention, but it was a happy occurrence, as they were all really interesting people – two science writers (Rosie Mestel and Alan Zarembo, who I’d not met before and who were just great to talk to) and also some more general columnists, such as (novellist and essayist) Meghan Daum and others whose names escape me now. K C Cole, my friend and USC colleague – and ex-LA Times science writer – was there for good conversation, as was Tom Siegfried. So it was just excellent to stand around and munch on the excellent food, drink the wine, and talk (and yes, sometimes gripe) a bit about science coverage and science writing. Briefly chatted with poet and author Michael Datcher (remember him from the point of view event?) and his wife as well, who told me about an upcoming event I’ll be mentioning later, I hope.

Rosie and I turned out to have some interesting points of commonality, which was a pleasant surprise, and so we talked about not just science and science-writing, but England, gardening, and the East/West divide in Los Angeles.

book prizes

(Above: Available light (sorry) shot of Alan Zarembo dipping a bit of pineapple into the chocolate fountain. Meghan Daum and Rosie Mestel look on.)

Some friends and colleagues from USC were there in an official capacity as well, such […] Click to continue reading this post →

Point of View, II – The Event

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Thursday 12th’s “Point of View, II” event was a huge success. See here for the blurb on what was coming up. Below I intersperse that with a little about what actually took place, and give you a link to video of the event.

One of the great things about the format is that we’ve no clear idea what each presenter is going to do, where they will take things in their examination of the theme, so it adds somewhat to the excitement of the events. Do come along to some of the Categorically Not! events (of the same type) which happen every month at Santa Monica airport. Web link here.

Don Marolf of UCSB will tell us what Einstein’s relativity REALLY means to the physicists who study our world. Different observers’ perceptions of space, and even of time itself can give different answers. How do we make sense of that, and what are the consequences?

don marolfWe started with Don Marolf (click left for larger), who did a really great job of telling the audience about what the theme “Point of View” meant to physicists, in the context of Relativity. He had some great computer slides, but in addition he produced various items from his pockets during the talk to use as props to illustrate things. Don is an excellent presenter with a huge amount of charm and energy and an infectious laugh and so gave us a great start to the evening.

Poet and author Michael Datcher, who teaches literary nonfiction and poetry at Loyola Marymount University, will talk about the role of the writer as a witness and also his newly launched journal of literary nonfiction, The Truth about the Fact.

michael datcherWe then went in a very different direction with Michael Datcher […] Click to continue reading this post →

New Tolkien!

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tolkien novel coverI don’t care what they say – I’m excited!

Having consumed (a number of times) the several books worth of J. R. R. Tolkien material scraped together from his papers by his son Christopher Tolkien (they sit here on my shelves…. The Book of Lost Tales (I and II), the Lays of Beleriand, Sauron Defeated, Morgoth’s Ring, and so forth…), and thirsted for more, this is just excellent news:

From Reuters, in an article by Mike Collett-White, I read:

More than 30 years after his death, a “new” book by J.R.R. Tolkien goes on sale on Tuesday which may well be the author’s last complete work to be published posthumously.

Tolkien’s son and literary executor Christopher, now in his eighties, constructed “The Children of Hurin” from his father’s manuscripts, and said he tried to do so […] Click to continue reading this post →

Point of View, II

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The second of the Point of View campus events in the Visions and Voices series is on Thursday. It is at 7:00pm at the Gin Wong conference center (which is near Fine Arts and Architecture, by the way.) See the bottom of this post for some earlier events of this type, and this post for the background on Visions and Voices.

This time we’ll have a Poet, a Dancer, and a Physicist! Here’s some blurb that KC Cole (my co-conspirator in this business) wrote about who is appearing and what they’ll be saying:
[…] Click to continue reading this post →

A Fair Cop

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RibenaSoon time to sign up to help judge the California State Science Fair. I hope I can make it. Just to reassure you that not every entry is another trebuchet (just the physics, mechanics, etc., section and you’ll know what I mean), here’s a story about two schoolgirls from New Zealand, Jenny Suo and Anna Devathasan, who decided to test the claims of GlaxoSmithKline that their product – cartoned ready-to-drink Ribena – has high Vitamin C content. They set out to show that cheaper drinks were less healthy than Ribena, and found to their surprise that there were only trace amounts of Vitamin C at best.

I’m a bit shocked by this since I love Ribena, and grew up with it for years. I seem to remember that some of the largest writing on the packaging is about the huge amount of Vitamin C that you’re going to get. Admittedly, it’s not the vitamin C aspect that attracted me to it, of course -I just love the taste! But all the same, it’s a bit disappointing….

From an article by Mike Steere: Click to continue reading this post →

Notes From the Day

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The other day (some weeks ago now) I started a sort of “day in the life” post, to give you more of an idea of what a typical day was like at work (and maybe also a bit at play). Somehow I never finished it, and then I looked at it a while later and could not remember the rest of the day, and so just deleted it.

I’ve decided to do something different. There really is no typical day. So I will try to do a series of days instead. Of course, I’m not going to have tine to sit and do a long, detailed entry about these days, and so instead I’ll just do a sort of sketchy notebook, with some time stamps. From time to time during the day I’ll stop in and add to it, and then post the whole thing at the end of the day before going to sleep. I won’t include all details (I’ll spare you bathroom breaks, personal grooming, and things of that nature, you’ll be pleased to know), but will try to give you some impressions of how the day goes. If people are interested (and people did ask for such a “day in the life post” before), I might try to do them more frequently. But for now, I’ll try and do one for each day of this week. Average over them to get the typical day.

So here goes.

Well, this work week really started on Sunday night.

  • 11:15 – 11:48 pm (Sun): Thinking about structure of E&M course. When to set the next midterm (we agreed that the previously announced date was too soon). Also thought about what homeworks to set for the last part of electromagnetic waves in dispersive media, and though wave guides. Sent email to whole class about this.
  • 12:30am (Monday) After reading a random entry or two at the ever-brilliant Girls Are Pretty blog (e.g. here), I fall asleep listening to podcast of the BBC’s wonderful Broadcasting House (radio 4). I still miss the excellent Eddie Mair, but this new guy seems pretty good.
  • 7:15am (Monday) (Later rising today since it is Monday and I don’t have any early appointments and I try to get a good night’s sleep when I can.) Over cup of tea, read email. Delete about 30 spam messages that have arrived overnight. I note the kind letter from Dean X at institution Y acknowledging receipt of the long detailed letter in support of a promotion for candidate Z, and thanking me. Good that he/she did that. Took a good chunk of Friday and Sunday afternoon to write that epic.
  • 7:45am Not in a rush to go in yet, I have a longer breakfast – cooked some […]

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Categorically Not! – Vulgarization

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The next Categorically Not! is Sunday 25th March. The Categorically Not! series of events that are held at the Santa Monica Art Studios, (with occasional exceptions). It’s a series – started and run by science writer K. C. Cole – of fun and informative conversations deliberately ignoring the traditional boundaries between art, science, humanities, and other subjects. I strongly encourage you to come to them if you’re in the area. There’s a new website showing past and upcoming events here. You can also have a look at some of the descriptions I did of some events in some earlier posts (such as here and here), and the description of some of the recent special ones on Point of View and Uncertainty that I organized with K. C. as USC campus events (here, here (with video) and here).

Here is a description from the poster for the upcoming programme: […]
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When Worlds Collide, I

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Angeleno magazine Robert Downey JrA most striking representative of an item from a completely different world than mine is the magazine Angeleno. It is among the most glossy of the glossy magazines I’ve ever seen. I’ve no really strong idea of who its intended readership is – this has been a mystery to me for so long, but by default it clearly can’t be someone like me (an academic), I decided, upon first seeing it. (You can read about the raison d’être of their parent company, Modern Luxury, here.) For some reason it arrives (for free although the cover price is $5.95) in my mailbox every month and I don’t know why. It is almost as though it’s a joke on the part of some prankster deity or other.

It has nevertheless done an excellent job of sneaking past my defenses. I don’t immediately throw it away when I receive it, and I find myself alternately annoyed and fascinated by it. Could this have been part of their plan all along?

It used to be that I was just plain annoyed when it would arrive – as much as 1/2 an inch thick, larger in square footage than most other magazines, highly airbrushed A-list star on the cover, and every page super glossy and shiny – and it would sit there for weeks until I’d find myself glancing inside it … just to confirm that I was justified in my righteous annoyance, you see. Sure enough, it would not disappoint. It has pieces devoted to ways of spending oodles of money on pointless stuff at extraordinary prices. There’s be the hot new treatments (“is Fraxel the new Botox?”). There’d be a gaudy diamond-encrusted PDA for your microscopic toy dog, that you […] Click to continue reading this post →