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Alex introduced me to the blue eyes puzzle - The Hardest Logic Puzzle in the World, according to xkcd. At 11pm after we'd just finished the Prestige (we showed my parents - they agreed it was great!). Cue 30-40 minutes or so of intense thinking and talking it over but we figured it out. Then we went to bed and I ended up turning it over and over in my head - the solution is really hard to get your head around. It was way worse than caffine for getting my head all fizzing but it was good to know I still have my chops as a logician :) (solution here if you want)
The rest of the weekend was much more relaxing - visit from my folks, which is always good, and the tennis at Queens. I suddenly realised that actually Wimbledon doesn't clash with Glastonbury at all this year because it's not for another week and was far too pleased with this realisation - 2 weeks of tennis to come! That should help me recover from the mud I fear we are doomed to :)
I've got the Brownies stuff all sorted out, I think but I'm way behind with my history study for this unit :( I really need to get my butt in gear as I have an essay due a week after I get back and no clue what to write for it so far. I'll have to try to get some of that done tonight - I don't think that a muddy field is the best place for my course books!
The rest of the weekend was much more relaxing - visit from my folks, which is always good, and the tennis at Queens. I suddenly realised that actually Wimbledon doesn't clash with Glastonbury at all this year because it's not for another week and was far too pleased with this realisation - 2 weeks of tennis to come! That should help me recover from the mud I fear we are doomed to :)
I've got the Brownies stuff all sorted out, I think but I'm way behind with my history study for this unit :( I really need to get my butt in gear as I have an essay due a week after I get back and no clue what to write for it so far. I'll have to try to get some of that done tonight - I don't think that a muddy field is the best place for my course books!
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Date: June 18th, 2007 05:40 pm (UTC)From:But i've heard it before, and i spent that time remembering rather than ratiocinating, so this is not so impressive. Or rather, i knew the general shape of the answer and the reasoning, and i just had to work out the details again.
It's an interesting puzzle, because you can pretty much work out the answer from symmetry arguments without knowing the mechanism; i don't know if this makes it easier or not!
-- tom