Curious, George: HeaterFilter. How to heat an old house with an amazingly old gas furnace. more inside

Curious George: Men's capri pants. I'm looking for Men's capri pants, preferably cargo. Can you help me without telling me how much you love or hate these things? more inside

The Prandtl-Glauert singularity. A sudden drop in air pressure causes a ring of condensation around planes, usually when exceeding the speed of sound. This makes for some pretty amazing pictures, like this and this.

View deleted MeFi threads. [via waxy.org] I'm not sure if this will work on MoFi as well, but it's pretty interesting nonetheless.