Science

AllRGB, Optimization, Polymer, and Origami (draft)

http://allrgb.com challenges hackers to create a 4096x4096 image, using every 2^24 color once and only once. There are many possible solutions, and I thought applying some optimization would produce interesting images. One choice is to mak…

DISX

(This is a cabon copy of my post to sci.physics.research) I attended a conference "Statistical Physics of Disordered Systems and its Applications". (http://www.stat.phys.titech.ac.jp/SPDSA/) Various kind of interesting applications of stat…

Tolkien in Arxiv.org

Although I'm a Tolkien nut, I'm sober enough not to cite LOTR or Hobbit in my paper on physics. But there seems to be some authors who do it.LOTR citation in the epigraph: cond-mat/0012141 hep-ph/0101105 astro-ph/0210061 astro-ph/0402228 A…

Exercise 1: Estimate the critical exponent of percolation in three dimensions using numerical simulations.Solution: Let us denote the number of states which has b connected bonds and c clusters by N(b,c). Through the Fortuin-Kasteleyn tran…

The material properties of The One Ring

The material properties of The One Ring Department of Metallurgy, University of Eregion Celebrimbor 要約:滅びの亀裂には金とサウロンの血の混合を一つの指輪に変換する反応の触媒が存在すると仮定することで様々な現象を説明できる。It is said that…

The Schroedinger Dance

http://schrodinger.haun.org/ Click the three buttons below the "GIF animation blahblah..." to see the dances. Each button corresponds to dances for "Beginner", "Intermediate", and "Expert" from left to right.This dance was contrived by som…

From http://slashdot.jp/articles/04/02/09/2135212.shtml?topic=70 Hyogo national highway office decided to install "Active Noise Controll" devices at highways in Hyogo. It generates an "antiphase" sound which cancels the noice of the vehicl…