Weekend Links

1. Math functions in real life (via Flowing Data): Interesting photographs, although some of them seem too ambitious. Here's one for example.

2. This PHD cartoon

3. This interesting article on "the Joy of Less" (via SimoleanSense)

The millionaires I know seem desperate to become multimillionaires, and spend more time with their lawyers and their bankers than with their friends (whose motivations they are no longer sure of). And I remember how, in the corporate world, I always knew there was some higher position I could attain, which meant that, like Zeno’s arrow, I was guaranteed never to arrive and always to remain dissatisfied.