Tuesday, February 12, 2008

Can Someone Explain to Me What's Up with astro-ph?

I suppose the vast majority (4 out of the 5 of you) of people who read this blog are astrophysicists (the other person will just have to wait). So maybe one of you can explain to me what's the deal with astro-ph these days? Hm, that's just asking for a bunch of punchlines, isn't it? But I have a specific problem in mind.

The average astro-ph entry looks like this:

Title: Halo X-ray Something Cosmology
Authors: X. PhD ((1) Please Donate to Me U.)
Comments: 20 pages, 10 figures, submitted to some journal
Subjects: Astrophysics (astro-ph)
Abstract:

Last week, I noticed something new. Between "Comments" and "Subjects," some entries have a new field that often reads (this appears only in the listing and not the abstract page):

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
That URL states
  • I grant arXiv.org a perpetual, non-exclusive license to distribute this article.
  • I certify that I have the right to grant this license.
  • I understand that submissions cannot be completely removed once accepted.
  • I understand that arXiv.org reserves the right to reclassify or reject any submission.
  • This seems to be pretty typical stuff but what's the point? Isn't this the terms under which all astro-ph submissions are accepted (that is, isn't adding this field redundant)?

    So it didn't seem so important and I tried to put it out of my mind. Today, though, I saw something truly mind-boggling. The very first entry (arXiv:0802.1210, although once again, you can only see this on the listing page not the abstract page) has this "Comments" and "License" field:
    Comments: 21 pages, 5 figures, submitted to ApJ
    License: http://creativecommons.org/licenses/publicdomain/
    Now wait a second. It's true that everything I know about licenses and copyrights and such comes from skimming Slashdot, but something's not making sense. The Creative Commons Public Domain Dedication (which that URL redirects to) says that the author has the copyright to this work and dedicates it to the public domain where "the Work may be freely reproduced, distributed, transmitted, used, modified, built upon, or otherwise exploited by anyone for any purpose, commercial or non-commercial, and in any way, including by methods that have not yet been invented or conceived." I think this means that anyone can take any part of this paper and reuse for any reason without express permission of the author. That would be well within the authors' rights and, I think, acceptable to it being listed on astro-ph.

    But this paper is also submitted to ApJ, where presumably, they intend to publish the paper. And before they can publish, they have to sign the publication agreement (that link opens a pdf), which states "you grant and assign the entire copyright for this paper exclusively to the Society" and, later, "the Society, in turn, grants to you the non-exclusive right of republication, subject only to your giving appropriate credit to the Journal." Reading this, I think that if you are writing a book, some company (not self-publishing) has agreed to publish it, and you want to include a plot from this paper, you would need to have the express permission of ApJ. How is this not in disagreement with the Creative Commons license?

    So this is probably the most obscure, geeky, and pedantic blog post I've ever written, but I'm hoping I'm not the absolute only person who finds this interesting/puzzling.

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    Monday, January 28, 2008

    Wrapping Up January

    Even though I don't have anything really bloggable to write about, I didn't want to end the month with paltry two posts ('oh, the shame!'). So here's the quick round up of the month:

    1.) I estimated (probably while waiting in the airport) that I spent 25% of my time away from Bonn in 2007.

    2.) I got a favorite bar in Bonn finally. Blow-Up has a cute little dance floor, lots of couches, and always interesting music (Motown and Funk one night, French covers of American rock standards another).

    3.) I'm patiently waiting until 6pm to pick up my bike from the shop ('Ich habe ein Problem mit meinem Fahrrad.').

    4.) January represents the fourth straight month of obsessively listening to the Mountain Goats (hell, I spent month one, obsessively listening to just 8 songs). I've mentioned them briefly in other posts (and Tim's blogged about them twice too), but let me say it one more time. If you've ever had any inclination to take my advice about anything, the advice to follow would be to spend some time listening to the Mountain Goats. And once you get your grubby little hands on some songs, don't just play them while you're working or doing the dishes, etc.: it's all about the lyrics. A roomful of monkeys on typewriters may produce Hamlet in an amount of time smaller than the age of the universe (I'm not clear on the probability of this), but I could never imagine to produce anything as beautiful, smart, and funny as John Darnielle manages to pack into a few lines in his many, many great songs. Is that enough of an endorsement? Sound off on your favorite lyrics in the comments.

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    Saturday, January 19, 2008

    Not Much Going On Here So ...

    I haven't had a lot of blogging material lately -- all living in the code and obsessively listening to the Mountain Goats -- so I thought I'd better at least point you to something else to read.  My recommendation is the Onion's AV Club blog, specifically The Box of Paperbacks Book Club (there's no label for that, sadly, I just go here and skim for it).  In this feature, the writer 'purchased a large box containing over 75 vintage science fiction, crime, and adventure paperbacks. He is reading all of them.'  Each entry reviews a different book.  


    This stuff is right up my alley.  The books are mostly the kinds of science fiction books I tore through as a kid and reading the blog brings up a lot of memories of wandering through the public library and picking up just whatever looked interesting.  By the way, I've also discovered that Wikipedia is an excellent resource for tracking down those books you read as a kid and only faintly remember. (It's not surprising, if you think about it.  If I vaguely remember some book, there's got to be some contributor who faintly remembered it, then made an entry on it.) 

    Anyway, I read a lot as a kid (a lot of science fiction and fantasy) and my parents did not appreciate it.  They couldn't understand why I wasted all my time reading novels.  Other people have sometimes suggested that my parents were way off-base because I've done fairly well in the educational rat race.  Of course, now that I'm an astrophysicist, my parents don't look so stupid, do they?  

    If reading isn't your thing, Alan Sepinwall, the TV columnist for the New Jersey Star-Ledger, is reviewing every single episode of the late 90s and very doomed TV show Cupid (complete with YouTube links to the episodes) on his blog (here!).  Cupid was by the same guy who created one of my favorite shows ever, Veronica Mars, and, yeah, it's also awesome.  I caught many episodes (maybe half or more of all the episodes ever) in the summer of 2000 when I was living in Taiwan.  They came on at 12:30AM and I got up at 7:30AM to go to work, and one every single day, so watching was a real commitment.  I haven't been watching the YouTube videos, however, terrified both that they're not as good as I remember and that they'll be too good and I'll get overly invested in a show that was cancelled a decade ago.  

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    Monday, January 07, 2008

    December Was a Rousing Success ... Blogwise

    Yes, for the first time in a long time I did 7 posts in a month.  I'm finally back in Germany -- arriving this morning and I didn't sleep a wink on the overnight flight from Boston.  By the way, sunrise here was at 8:32 AM and sunset will be at 4:43 PM.  I clearly don't have much to say, so why am I blogging?  Well, as long as the sun is up, I should be too.  I'm at work, so I don't fall asleep, but I can't actually do work, since I'll certainly do more harm than good.  

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    Monday, December 31, 2007

    San Francisco

    During the week I spent in Northern California, I only managed to fit in one afternoon of sightseeing in San Francisco.  

    We went up to Coit Tower atop Telegraph Hill.


    It's a good place to catch the view of the Golden Gate Bridge and Alcatraz.



    We also went to Lombard Street where at Russian Hill, there's a block where the traffic is one-lane, one-way, downhill, featuring 8 switchbacks and a 27% grade.  


    A block East we saw the Google Street View car.  I've tried looking for myself on the Google Maps Street Views, but no luck so far (I'm not even sure the picture is of the same day.  If you want to try to find me (blue jacket, no backpack or bag, standing next to a taller man), I'm on Lombard, the block East of Lombard and Leavenworth, on the North side of the street.).  The Google Street View car was very unimpressive, by the way.  You'd think it'd be some fancy, high tech van, but it was just a dark colored, old-looking sedan with a tiny Google Street View sign on the driver's door and a rotating camera on what looked like a homemade support a few feet above the car's roof.  

    You wouldn't think steep streets would be so interesting, but it's pretty cool.  


    Afterwards, we crossed the Golden Gate Bridge and took a late afternoon stroll through the redwoods at Muir Woods.

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    Wednesday, December 26, 2007

    In Case You'd Like to See More of Me Online

    Now I know what you all have been thinking:  weekly blog posts are not nearly enough online interaction with me.  In that case, here's the fairly exhaustive list of me online.


    If you want to know what I'm reading:  click here (goodreads.com).

    If you want to know what I'm listening to: click here (last.fm).  

    And of course, I'm also on Facebook (I check-in vaguely regularly), Friendster and LinkedIn (I mostly ignore those accounts).  

    (I assume that soon in the future, there will be a website that'll track my exact movements via GPS and send back video of what I see.)

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    Monday, December 24, 2007

    Amsterdam, Finally

    After Sean and I had to abort our trip to Amsterdam, I finally made it there when my parents came to visit me.   And a few days before 2008, I've finally managed to blog about it.


    Look, how cute!


    So, what can you do in Amsterdam with your parents?  A lot of art museums and the Anne Frank house.  The Anne Frank House is very crowded during the peak tourist season;  thankfully we visited after that and walked straight in.  It's the building with the dark, maybe black, street front.  


    We went to Rembrandthuis, the Rijksmuseum, and the Van Gogh Museum. Of the three, my favorite was probably Rembrandt's house, if only for the tiny little beds inside of cabinets (they didn't need big beds since everyone slept propped up because they thought it was better for your health). I think I would have liked the Van Gogh Museum better except that I'd seen the excellent Van Gogh & Gauguin: The Studio of the South exhibit at the Art Institute of Chicago a couple years back. 

    And as promised by my Lonely Planet guide, that green metal thing is an open-air urinal (actually two, one on each end).  



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    Sunday, December 23, 2007

    Goodbye Old Friend


    My Christmas present this year will be a new iPod (a silver 80GB classic).  So it's time to say goodbye to my old iPod -- a white 10GB 3G with the buttons in a row on top of the wheel (I like the non-movable buttons!).  I got it for $80 (with the laptop rebate) and it wasn't until a few months ago that my iTunes library outgrew the hard drive.  After 4 1/2 years (3 years of which I used it every day), the hard drive never quit on me and it still has the battery capacity to make it through a 6 hour cross-country flight.  I was very sad to see it go (for the 10% recycling discount).  At the store, I gave it a good petting and told it that it was going to a better place.  

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    Friday, December 21, 2007

    Snow

    About a week ago, it started snowing for real.  The total amount of snowfall so far this winter in Boston is 27 inches.  The only reason that the piles of snow aren't above my head is that between snowing, it rains.  



    By the way, I don't think it's snowed at all in Bonn, and in Bonn I wouldn't have to wait an undetermined amount of time for the bus to arrive.  

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    Monday, December 17, 2007

    Washington, D.C.

    Sean and I went to D.C. for the weekend, temporarily escaping the snow in Boston.  It was really nice to visit some old friends (Sarah, Tim and Laura Jean, Cathy and Francis).  We also did a little sightseeing:  the monuments, the Capitol, the National Archives, and the Air and Space Museum.  All in all, it was pretty chill and I didn't bring a camera, so I don't have pictures to share either.  By the way, the National Christmas Tree is terribly ugly (giant, plastic, light-up bows?!).

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    Thursday, December 06, 2007

    In Which I Become an Aunt

    Say hello to Julia Irene, who couldn't wait any longer and arrived last Friday, 3 weeks early and weighing in at 5 lbs 9 oz.


    A real cutie, isn't she? I get to see her, live and in person, in 2 weeks.

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    Thursday, November 29, 2007

    Yale-Harvard Game

    I'm hoping there will be an important blog update soon, but for now I'll have to counsel patience. By the way, Saturday before Thanksgiving, I went down to New Haven for the Yale-Harvard football game. Now when I say 'I went to the Game,' let's be clear, I didn't actually see any football; I spent 4-5 hours tailgating. I mostly hung out with people I've never met before -- although I ran into several good ol' Branfordians -- and now have a hilarious story involving vomiting (not me) that I can't in good conscience put on the internet. I also ran into Ted Kennedy at a Dunkin' Donuts just across the Connecticut border.

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    Tuesday, November 13, 2007

    Cambridge and Cambridge

    Apologies for the long, long delay between posts (3 weeks!), but I was probably entirely psychotic during those weeks and any post might have constituted grounds for institutionalizing me, so it was probably all for the best.

    I've made it to Cambridge, MA. I'm staying with Sean, who lives down the street from the Harvard Stadium (unfortunately the Yale-Harvard game is at Yale -- although I still might go) and just across the river from Harvard Square. It's a little weird to be back in the U.S., on the East Coast, in a real college-y area (hello, 1999, it's nice to see you again).

    Continuing on the Yale-Harvard axis, a month ago, I was at the other Cambridge, in England, visiting the Institute of Astronomy. If you're an astrophysicist, I highly recommend visiting the IoA. The Institute building/grounds are nice (here's a photo of the cows outside my office window) and the people are friendly and seem to socialize all day (morning and afternoon tea/coffee!).


    I had some fabulous Indian food, had a look around Cambridge, and went to a party. Cambridge is a very cute place (but packed with tourists and drunken students). Here's the second oldest building in Cambridge (the Round Church, 1130):


    Of course, the biggest tourist attractions are the Colleges in Cambridge. I went to (I think) Trinity, St. John's and King's -- some of the oldest and, therefore, most visited by tourists. They all charged an admissions fee, which doesn't seem quite right to me (since I was accompanied by an University employee, it was free for me). At Cambridge, walking on the very well manicured lawns is reserved for senior members of the College (hence the signs, although I saw them ignored several times by tourists).


    Yale has a college system based on Cambridge and a lot of neo-Gothic architecture, so I wasn't surprised by the Colleges -- although real Gothic is a lot cooler (this is the King's College chapel):


    Despite the faux-oldness of Yale buildings, they have a logic which I had internalized as being more 'natural' or more 'authentic': Gothic buildings with gates and courtyards (you can walk on the grass at Yale) surrounded by a moat next to the sidewalk and the narrow streets. Yale is in the center of the city; the moat is at least partly functional, ensuring that fewer first-floor residents have their rooms broken into, and isn't everything in England old and close together with narrow streets? The one time I visited Princeton, I scoffed at their Gothic buildings surrounded by ginormous lawns. As it turns out, Princeton has it right (sigh). Some of the Colleges are huge, and many of the Colleges back onto the River Cam, their grounds (with ginormous, beautifully-manicured lawns) covering both banks of the river (this area is called The Backs).



    The river (a river?!) is crossed by some very cute bridges and full of tourists punting boats.



    After a few days in Cambridge, I caught a ride from a woman I met at the party up to Manchester for a few days. If Cambridge is (sigh) Princeton, then Manchester is Ohio State -- a huge campus and University. But just down the street from the campus was a the downtown area with a lot of clubs, bars, pubs, and restaurant. It looked like a cool place to be a student. I was too sick to do too much wandering, but I did manage to watch Control, the Joy Division biopic; it seemed appropriate to watch a movie about a Manchester band while in Manchester.

    So, finally, I've managed to cover England, now one of these days I'll finally blog about Amsterdam. One last note, a while back I linked to this post by Tim, gushing about the music of the Mountain Goats, but it totally bears reiterating: they're totally awesome and I don't understand how I lived before hearing their music.

    Happy Thanksgiving everyone.

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    Saturday, October 20, 2007

    Yay, Germany!

    After 10 days in the U.K., I've made it back to Germany. I've got at least a couple posts about the trip and other stuff to be blogged soon. Unfortunately, even though I had a lot of fun on the trip, England appears to be full of sick people and now I have a cold.

    On Thursday evening, I was pretty much running on fumes when I arrived at the Manchester airport for the flight back to Bonn. And the airport was a real hassle with finding the right terminal, disorganized waiting lines to check-in (and in the U.K., the home of the queue!), very restrictive carry-on baggage rules, and not a lot of food options. And I was worried about catching one of the last buses from the Cologne airport to Bonn, but, I forgot, it's Germany (and not the U.K., nor the U.S.). The plane landed in Germany at 11:01pm. After a shuttle ride from the plane to the terminal, passport control, baggage claim, customs, the walk down to the end of the terminal, and a quick run when I saw the line of people getting on the bus, I was on a bus and out of the airport by 11:22pm. I was surfing the web in my apartment a little over a hour after landing. God bless Germany.

    Anyway, stay tuned for a long-delayed post on Amsterdam, pictures from Cambridge, a story or two on Manchester, and maybe some musings on the mysteries of passport control (the woman at the London Stansted airport was seriously considering denying me entry). Also, I'm going to be in the U.S. from Nov. 10 to the new year. Make a case for why I should visit you while I'm Stateside in the comments.

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    Friday, October 05, 2007

    Baseball Playoffs

    In 2003, when the Cubs last made it to the playoffs, I lived in Chicago. In 2007, I live in Germany, and I have to wake up at 6am to catch the end of the game on a 4 inch window on my computer, using mlb.tv (which is actually kind of cool).

    Still, not as cool as this: Saturday, October 4, 2003, I'm leaving my parents' house and the Cubs are losing the 4th game of the National League Divisional Series with the Atlanta Braves, when I get a call. Game 5 is Sunday night. In Atlanta. Tickets have been purchased and there's a spot for me. We leave at 5am, drive 13 hours to Atlanta, straight to the stadium. The Cubs win 5-1, Kerry Wood is the winning pitcher. Afterwards, fans mill around the Cubs dugout and cheer. When we're done, we get right back in the car and drive 13 hours back to Chicago.

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    Wednesday, October 03, 2007

    More Blog Neglect

    I don't know how I convinced myself of this, but I really thought that once summer was over, I'd have a lot of time on my hands to blog. Instead, my parents came to visit (eventually, I'll put up pictures of Amsterdam), and now I'm going to the U.K. next week (severely cutting into my baseball playoffs watching). I'm not even sure my digital camera is functional. It'll all get blogged ... eventually.

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    Sunday, September 23, 2007

    4 Songs

    On a weekend where both Eugene and Tim have posted about new music, I figured I'd better blog about music too. I don't have a TV, and I haven't been to any shows, but since I last reported on the state of my iPod (5 months ago), I've acquired 2.73 GB, 640 songs, and 36 albums. And, to the shame of having a John Mayer album, I can now add a Fall Out Boy album. My full music library no longer fits on my 4 year old iPod and I can listen to music on shuffle and think "what the hell is this?" or "I have this?"

    Here are four songs that found their way onto my iPod in the last 5 months (and if any of you guys has some odd desire to actually listen to what I'm listening to, let me know):

    1. Okkervil River - John Allyn Smith Sails

    The only song that for which I haven't found an appropriate YouTube video, but you can listen to the entire album, The Stage Names, on their myspace page. I've already expressed my love for Okkervil River, but I just can't help myself. A lot more rock and with a more modern sound than their previous albums, but with somewhat of a draggy middle where things get a little too twee. "Unless It's Kicks" is probably the best song: a driving rock anthem to not letting being in a rock band wear you down. But it cannot beat "John Allyn Smith Sails" for pure awesomeness. The song starts acoustic, with a narrative about the poet John Berryman and his 1972 suicide, then segues into a cover of "Sloop John B." the traditional most known by its cover by the Beach Boys. "Sloop John B." people! Listen to it


    2. Elliott Smith - Waltz #2

    I found a live version of this song off the XO album somewhere and it's great: sad and sweet, melacholy and anger over the people we should know best but who are forever out of reach. Here's a similar live version:



    Truthfully, I don't own a single Elliott Smith album; I'm fearful of spending the money and finding that his whisper-singing drives me nuts ("speak up! I can't hear you!"). And finding the original album version of the song does nothing to reassure me (it's audio only):



    With the heavy drum line, it make me imagine that they're playing in some honky-tonk bar. And someone please explain the backing vocals to me. Why?!


    3. The Smiths - Girlfriend in a Coma

    I've been singing this 2 minute ditty for days now. I can't explain it, but I know it's brilliant (because "it's serious"?).




    4. LCD Soundsystem - Someone Great

    This song hasn't been released as a single yet, so I'm not sure if this is the actual music video for it (and the song seems to be a little faster than my album version) but whatever:



    LCD Soundsystem has gotten a lot of press as sort of confessional indie music with an electronic dance music soul. The album, Sound of Silver, is pretty good, although I kind of think that "Someone Great" is the only can't miss track. But I can't help but wonder: who is supposed to listen to this music? What sort of giant electronica wave is LCD Soundsystem supposed to be on top of? Most people listen to electronica when they want to stop thinking and start dancing. Are people really going to start listen to it on the radio while their driving to work? Are they going to play this in Starbucks? What are we, French? (Yeah, I really don't know what makes me think that this is what the French do.)

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    Monday, September 17, 2007

    What I Learned This Summer

    So, truthfully, I don't remember 90% of the things I intended to put in a post with this title, but I'll give it my best '10 minutes after finishing one work assignment, 10 minutes before starting on another' shot:

    1.) The way Germans say 'cool' is really cute. No really. It's like 'kuhl' with a bit of a rising intonation (you have to say it with a little smile). Ask Sean. He does a pretty good imitation.

    2.) Even more surprising, salad is really good in Germany. In the U.S., a side salad (even in some really nice restaurants) is a couple pieces of limp iceberg lettuce. I've never seen iceberg lettuce in Germany. All the salads have really great looking and tasting greens (sadly, I don't know the names of different kinds of lettuce) and corn. Salad is really good with corn.

    3.) Bring cash when you travel. In Germany and a lot of other places, credit cards aren't widely accepted (and bring small coins and make sure you've broken that fifty; no one likes to give you change).

    4.) As terrible as I feel for being a stupid American and not bi- or tri- or quadlingual like some people here, it wouldn't matter if I knew 10 languages if one of them wasn't English. It's not just the language stupid American tourists use in Paris and worldwide, it's the language French tourists use in Budapest, the language Italian tourists use in Prague, etc. So, that's something. (Totally unrelatedly, everywhere I went I saw Japanese and Chinese tour groups. But I also saw young Japanese couples traveling on their own. Given what I know about Japan, not all of these couples could possibly be conversant in English, so they must be winging it. Pretty adventurous and impressive.)

    5.) D'oh, I totally had a #5 and forgot it as I was writing #4.

    [Updated 17.09.07, 11:44pm: Ah-ha! 5.) Did you realize that Canadians, the British, and all the Germans I've met refer to English units as 'imperial units'? It makes sense, but, honestly, it never even occurred to me and I'd never heard the term until I moved to Germany. I once tried to explain to someone that no American would ever use the term 'imperial units,' but they didn't really get it.]

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    Thursday, September 13, 2007

    Summer's Over

    I put Sean on a bus to the airport this morning (which explains why I'm at work at ten before 9AM). It'll be pretty weird without him. For one, I'll have to -- gasp! -- cook and clean for myself. But we basically moved into my current apartment together, so it'll take some getting used to just living there alone.

    One the plus side, I can stop watching out for my nosy landlord (and start looking for him). He showed up one day a week or two after Sean arrived and was not happy at all to see that I had a guest. We avoided him for the rest of the summer by very paranoidally sneaking Sean in and out of the apartment and assiduously avoiding saying my landlord's name three time while looking in the bathroom mirror.

    This probably also means that I'll start blogging more. I'm thinking that I should do a wrap-up of what I learned this summer.

    Finally, there's some possibility that the Chicago Cubs will make the playoffs. What should I do if they make the playoffs? Playoff games might start at 2 in the morning. And the only option I'm aware of is paying for mlb.tv in order to listen to them. Suggestions?

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    Monday, September 03, 2007

    Prague

    My summer of tourism is almost over. It is supposed to be capped by a trip to Amsterdam this weekend, but, while train tickets were cheap, hotel rooms have been impossible to find at any reasonable price. Prague is a pretty good way to end a series of trips, though. Unfortunately, I'm too scattered these days to do Prague justice (in blog form), so you'll have to make do with a bunch of photos and some random notes.

    The Old Town Square has this astronomical clock


    in the tower of the Old Town Hall:


    Before each hour, a giant crowd grows:





    They're here to catch a glimpse of this (figures of the apostles pass the windows and wave -- it's not that exciting):


    The other buildings in the square are pretty cool. Like this one


    and this one, where Tycho Brahe is buried (sadly, when we wanted to go, it was closed).


    From the top of the Old Town Hall, there's a nice view:


    You can also see across the river to Prague Castle and St. Vitus Cathedral.


    We spent one afternoon up there at Prague Castle, looking at all the pretty buildings, a few museums and the gardens on the other side of the castle (and on the other side of a moat). Two neat things I learned here. 1.) Even after the introduction of Christianity, burial rituals were more informed by pagan beliefs and people were buried with limbs bound or dislocated and covered by rocks to ensure they'd stay put in the grave. 2.) You can stand in the room where the Defenestration of Prague which touched off the Thirty Years' War (the Czechs seem to be the inventors of defenestration; this was the second Defenestration of Prague) occurred. But those guys survived the defenestration unharmed! They landed in a pile of manure.

    The house where Tycho Brahe and Johannes Kepler lived is up by the castle. It's now a restaurant (Sean and I stopped for a beer), but with nary a mention of Brahe or Kepler. (By the way, it's possible to get 0.5 L of beer for the equivalent of 1 euro in Prague.)

    To get to the other side of the river, you can cross on the Charles Bridge


    Here's the view from the bridge at sunset.


    There's a crucifix on the bridge of with golden text in Hebrew reading 'holy, holy, holy is the Lord of Hosts.' The Lonely Planet guidebook explains that the text was funded by the fine imposed on a Jewish man who had been convicted of debasing the Holy Cross. At one of the old synagogues in the Jewish quarter (now a museum), it explains that his offense was in a coded letter to a friend, which was never deciphered.

    Several blocks from the river is the Powder Tower (there's no particular reason I threw this in there; it's just cool looking):


    We spent another afternoon going to many of the synagogues in the Jewish quarter. This is the Old-New Synagogue, built in the 13th century (and inside it really feels like it, if that makes any sense). It's still in use.


    There are more than 12,000 graves in the Old Jewish Cemetary, dating from 1478 until 1786. The tombstones pile onto of each other and the ground slopes up from the path as they added more dirt to put in more graves.


    The most famous person buried here is probably Jehuda Liwa ben Becalel, Rabbi Löw. Here's his tombstone and some of the people praying at it (I didn't see people praying at any other tombstones). He's probably best known for the story of his creation of a golem to protect the Jewish ghetto. According to legend, the golem's remains are hidden in the attic of the Old-New Synagogue.

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