FreeMind by Jörg Müller and a team of contributors is an open source mind mapping tool written in Java. It is available for Windows, Mac OS X and Linux. The package makes Buzan style mind maps with some repositioning of nodes and a variety of...

The symbol palette in Microsoft PowerPoint has always included the quarter fractions. Now you get the thirds and the eighths. Handy for quick revision PowerPoint presentations. You can download a PowerPoint file with 20 slides with quick revision...

“An organization that wins by exercising power starts to lose the ability to win by doing better work. And it’s not fun for a smart person to work in a place where the best ideas aren’t the ones that win.” Paul Graham, via daring fireball I’m...

“It is easy to turn the aquarium into fish soup, but it is more difficult to reverse the process”–Lech Walesa

Scroll down for scientific poster stuff Download a one side worksheet on possibility spaces in probability. The worksheet has an example of throwing two dice and adding the scores, and tries to explain why there ate 36 equally likely outcomes, of...