This website covers knowledge management, personal effectiveness, theory of constraints, amongst other topics. Opinions expressed here are strictly those of the owner, Jack Vinson, and those of the commenters.

Getting klonked on the head by cannonballs

My wife will love this collection of 100 Interesting Mathematical Calculations from Brad DeLong.

Richard Gayle points to The Get-Out-of-the-Way Problem, which ends with

So you're saying that people who don't know the distributive law regularly get klonked on the head by their own cannonballs?

psychological orthogonality

An hour in the library...