Time: Physics of the Love Parade Stampede Dirk Helbing on the stampede.

AT sends me to OpenPlans: Visualizing urban accessibility with OpenTripPlanner Analyst [These are what we call mobility maps, but are nice nonetheless, see http://a2d.umn.edu .]

Alexis Madrigal @ The Atlantic: The Mechanics and Meaning of That Ol’ Dial-Up Modem Sound

[I well remember the mating calls of modems in love from my days working at Hayes Microcomputer Products, when 2400 baud was high speed.]