On Friday at CMU I got to meet with a bunch of faculty more-or-less at random. I had sent in a list of a few people who I thought would be interesting, but none of these profs appeared on my schedule when I arrived at CMU. That was fine, as the profs I ended up meeting were interesting enough and some of them I'd consider for an advisor. Sara Majetich, for example, seems particularly promising.

But on Monday, with no official program going on, I got to assemble my own schedule, and I had a fabulous time! At 9:30 I met with Prof. Robert B. Griffiths (not to be confused with the dept.'s Richard Griffiths, or with the department's six other Roberts), who is doing some interesting stuff with quantum mechanics, and with quantum information theory (!), and then right after that I met with cosmologist Richard Holman. Here I finally hit upon the right question to ask: ``Give me the hard sell!'' Skip with the niceities and convince me to come here!

Then I visited the CMU Robotics Club, which has a huge workspace and seems to be enormously successful with getting undergrads to build robots. I grilled them on the nature of their success, etc etc, with the idea of possibly importing such ideas to Berkeley. The people there were enormously friendly, and even took me to see CMU's "Red Team" entry to the DARPA Grand Challenge, which is now lodged haphazardly into a corner of the building!

In the midst of my grilling the Robotics Club folks on how they manage to be so successful, I got a call from [livejournal.com profile] krasnoludek who I know through Kenny but really only through livejournal before this. It was neat to meet, and he took me out to lunch at some "Thai Trucks" that deliver yummy cheap thai food to campus daily. We had a good chat about CMU and then both ran off in our various directions.

Ben Henty and Jeff Lanza of the Carnegie Tech Radio Club took Gabriel and me up to their `shack' and we talked radio stuff for a little bit. Their office is up in the rotunda above campus, and we actually climbed up on the platform there, which offered a fantastic vantage (and blasting freezing wind and snow) of the city and the campus. Ben wants to experiment with PSK31, I think that sounds pretty interesting. I thought it was exciting that a campus had a radio club, even if there are only a handful of members.

Remember that movie of a swimming robot that I posted a week or so ago? That robot is RHex, and CMU is working on it as well, although not the swimming version. A very friendly grad student by the name of Sarjoun took me on a tour of the RHex lab there, gave me a tour of the inner workings of the robot. It really is an exciting robot. Inside their are two Pentium III's on single-board computers, one for vision processing and one for everything else. There's a solid-state gyroscope that uses the momentum of photons cycling in coiled fibers to serve as an inertial reference device. The thing talks via IEEE 802.11 and is actually controlled via a "Wingman" control pad! Amazingly it's powered by what appear to be a small collection of D-cell NiCd's, on which it can run (literally) for 45 minutes. Such coolness.

Then another grad student showed me around the Field Robotics Center, where there are all sorts of rather large autonomous robots, such as one that explores old coal mines on its own recognaisance, another that searches for meteorites in Antarctica, and perhaps the coolest, a robot that consists solely of several arms sprouting from a common vertex that is designed to self-assemble trusses in a zero-gravity environment.

And after that I ran off to the airport to catch my flight home. A pretty exciting day, though, don't you agree?

CMU

Mar. 20th, 2004 02:10 pm
It's pouring rain in Pittsburgh now, and I'm hiding in the library at CMU. I did get to go up to the thirty-sixth floor of the "Cathedral of Learning," an inexplicable gothic monolith dominating the city. They say it was featured in Batman, and it's easy to believe; the thing is 100% pure Gotham, but with charming "Nationality" classrooms on the first floor: The Polish Room, the Lithuanian Room, the Swedish Room, the German Room, the Early American Room, the Czeckloslovak Room...

Sigh. I'm waiting for some kind of spark when I meet a professor, and it's just not happening. I haven't been able to get excited really by anyone's work here. It might be a failure just as much of communication as anything else, their ability to make their projects sound exciting. But projects that I'd jump at for a summer term I'm a lot more hesitant to accept for dedicated pursuit over a term of six years. As much as anything, I want them to want me as I want their work to be interesting. One professor - one who I already liked the most - mentioned with interest, "You lived in Lund, right?" And I was thinking: "She actually read my application!"

There was one professor I went to because his work sounded pretty exciting, quantum chromodynamics and all that. And this guy was terrifying! He seemed like an ordinary guy, but we asked him about his past grad students. He said, "Well, I've had three.. but two of them left me." Small warning sign: can't retain grad students. Big warning sign: "I'm so glad he is gone. Gosh! He just wasn't talented enough, he wasn't worth my money, he wasn't worth my time... He didn't even speak English very well!" Egads! I nod while crossing him off my list. Quite literally. And then he turns out, moreover, to be a bit of an intellectual chauvanist: when the guy from MIT comes into the room, he stops talking to the other two of us. He asks the MIT guy to come back later for another meeting.

But then I met his one surviving grad student, who he described with admiration in his eyes as his "star". And this guy was really fabulous, eight times more energetic than the normal mortal and a little bit crazy to boot, in exactly the way I like. So I'd love to work with this grad student, but his advisor seemed like he ought to be avoided within a certain radius.

I have the occassional feeling that, although the Physics dept here and elsewhere admitted me, the professors are far more skeptical. It can't be entirely true (the admissions committee is composed of professors), but still I had one prof sort of skoff, "You mean your degree is not in Physics??" The experimental particle physicists are nice to me, but that's not what I want to do. I think I did impress a particular condensed matter experimentalist that I knew What Was Going On, and I was able to converse intelligently with a medium energy experimentalist.. but...

WHERE ARE THE LASERS???

Carnegie Mellon seems like a nice place, and Pittsburgh is an interesting city. If Rochester's physics department were here, I think I would accept without much hesitation. But otherwise I think I could only leave Berkeley with a heavy heart, and I don't think I could ditch the feeling that I left someplace wonderful for something substandard.

It's not that this is a bad place, it's just that I have extremely high expectations. I have half a mind to just accept and see what happens, and half a mind to just stay at Berkeley and take the graduate physics sequence through my own guerrilla initiative. From my job interviews at Aerospace and at UCSD/IGPP, I came away thrilled with the idea I'd be working for them. I haven't gotten that feeling here or at Rochester.

I also occassionally wonder whether Physics is really what I want to study. I always come to the conclusion that it is, because physics is hard and I want the challenge, because physics is at the core of anything else I'd be interested in, and because I have this idea that if you're going to study something, it ought to be physics. But in engineering / computer science, I can really hold my own. Concepts come very easy to me and engineering is nicely compatible with my intuition. In physics I don't feel quite so brilliant.

One of the prospective students — from Caltech — here also got into Chicago and Berkeley. One of the professors he was talking to here at CMU learned of this. The professor whispered to him, emphatically:``Go to Berkeley.''

I have to prepare a list of professors who I want to meet when I visit Carnegie Mellon next weekend. Here's my current list of professors whose work sounded especially cool for some reason:

(So many R- names! weird.) I was also irritated (by which I mean envious) to read that Prof. Jeff Peterson sends undergrads to the south pole on a regular basis.

Hmm. Anyway, you can look as well and tell me if I missed anybody particularly cool. There's a distinct lack of things having to do with LASERS on that list. Now that I look back on the list I'm not so sure. This whole grad school thing is much too complicated. I feel like I should have added some EE, CS, geophysics, and applied physics programs to the mix. I really hope I get into Berkeley.. anyway, the results should be in by the end of next week, I think.

I just bought a plane ticket to Durham, NC for my UNC Chapel Hill visit. Leaving Oakland on Thursday, April 1 on American Airlines flights 1182 and 1782, arriving 20:57. Returning Sunday, April 4 on AA flights 1171 and 1997, arriving 21:58.

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