Category Archives: mathematics

strange repulsors

Posted on Monday, 2003 February 10 by Anton

What’s going on here?

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an intimate look at a girl’s best friend

Posted on Thursday, 2003 January 23 by Anton

Each atom in a diamond crystal is bonded to four neighbors. Games of go played on such a lattice ought to be similar in some ways to games played on a standard board – unlike on a board tiled with … Continue reading →

Posted in eye-candy, mathematics | 4 Comments

fun with deltahedra

Posted on Saturday, 2003 January 18 by Anton

I got a new toy: 94 rods with a magnet at each end, and 36 steel balls. (This kit is called Mega Magz, but I think I’ve seen similar kits under other names.) With these balls and rods, I build … Continue reading →

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what hath Coxeter wrought

Posted on Friday, 2003 January 10 by Anton

pretty hyperbolic tilings

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a big non-container

Posted on Wednesday, 2002 December 18 by Anton

making a really big glass Klein bottle

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my tantalizing HTTP log

Posted on Monday, 2002 December 02 by Anton

To whoever searched for 18 and solar eclipses golden ratio: I don’t think the 18-year cycle of eclipses has anything to do with the golden ratio; if you know of (or find) a nexus, please let me know. Speaking of … Continue reading →

Posted in astronomy, mathematics | 1 Comment

time for fun

Posted on Saturday, 2002 November 16 by Anton

Partly as a protest against the dirigisme presupposed in the institution of “Daylight Saving Time”, I’ve been tempted to set my computer’s clock to mean local solar time; I’m at 122 degrees West longitude, so my mail would be marked … Continue reading →

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