http://www.slowtwitch.com/Tech/Thoughts_on_science_perception_4571.html
Interesting reading.
@skinny started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
http://www.slowtwitch.com/Tech/Thoughts_on_science_perception_4571.html