Month: October 2010

1+2+3: Ping Ponger

Almost half of a rubber racquetball is used as a disc spring that’s bistable to propel a ping-pong ball from a compact PVC launcher.

Peter Shah brings distant galaxies down to Earth.

It’s not absolutely necessary to be rich if you want to explore space, but it sure doesn’t hurt.

If you know how many hands it takes to measure from east to west, you can figure out how many hours you have left to play today!

Geoff Notkin and Steve Arnold hunt for visitors from outer space, but they aren’t looking for little green men.

Rescue an injured mother hawk and her family.

Learn how a single microcontroller does the work of 20 old-school chips.