Some thoughts on throwies | Evil Mad Scientist Laboratories
Edge-Lit Holiday Cards | Evil Mad Scientist Laboratories
MHD I: Demonstrate Magnetohydrodynamic Propulsion in a Minute | Evil Mad Scientist Laboratories
Tilt ball switch ID: 173 - $2.00 : Adafruit Industries, Unique & fun DIY electronics and kits
Tilt Sensor - SEN-10289 - SparkFun Electronics