Gravity

An amusing short film by Jason Zada.

Hinged Dissection

A nice animation of Dudeney's four-piece hinged dissection of a square into an equilateral triangle. (In French)

Fun and Urban Violence

Blurb on a new book at the Princeton University Press, Migrants and Militants: Fun and Urban Violence in Pakistan (first chapter as PDF):

Being part of a violent community in revolt can be addictive—it can be fun. This book offers a fascinating inside look at present-day political violence in Pakistan through a historical ethnography of the Muhajir Qaumi Movement (MQM), one of the most remarkable and successful religious nationalist movements in postcolonial South Asia. The MQM has mobilized much of the "migrant" (Muhajir) population in Karachi and other urban centers in southern Pakistan and has fomented large-scale ethnic-religious violence. Oskar Verkaaik argues that urban youth see it as an irresistible opportunity for "fun..."

Interview with Roentgen

Journalist: What did you think?
Roentgen: I did not think, I investigated.
Journalist: What is it?
Roentgen: I don't know.

Stealth Concealment

Need to hide a cell phone antenna tower? Here's help.