This is a cool visualization of bicycle usage in London:
http://www.digitalurban.org/2011/02/london-cycle-flows-sociable-physics.html
On October 4th, 2010, there was a public transit strike in London, which maximized bike usage in the city.
The creators claim that the flashes of light that represent the bikes move in accordance with the actual speed and path of the bikes they represent.
An innovative representation that puts me in mind of graph theory and networking!
This is one of funniest things I’ve seen this year, and definitely a contender for the title of Greatest Venn Diagram Ever.
The website www.setgame.com offers a free daily game of SET here:
http://www.setgame.com/set/puzzle_frame.htm
SET is a great categorizing game in which you try to find sets of three whose characteristics are either identical or entirely different.
Four free SET puzzles are published daily by the New York Times, as well:
Through Math for America, I am part of an on-going collaboration with the New York Times Learning Network. My latest contribution, a Test Yourself quiz-question, can be found here:
https://learning.blogs.nytimes.com/2011/10/03/test-yourself-math-oct-3-2011/
This question is based on Facebook’s claim that they have 800 million users, and asks “What percentage of the world’s population uses Facebook every day?”
