Make lenses from Jell-O
The Optical Society of America has a very cool site about the science of light. I found instructions for making lenses from Jell-O and ice, with a great explanation of how lenses work.
Kids & Family
1914 Cyclopedia of 5,000 Puzzles…By Sam Loyd
I was looking through the old catalogs photostream that Evil Mad Scientist linked to recently, and found this very cool book of puzzles from 1914.
LEGO Swimming Pool Insect Terminator (SPIT)
Bluetoothkiwi documents his LEGO Mindstorms Swimming Pool Insect Terminator (SPIT) – it’s a great example of the process of problem-solving. Swimming Pool Insect Terminator (SPIT) is a special self powered autonamous floating robot that locates and destroys small clusters of bugs that float on the top of swimming pools. We used LEGO MINDSTORMS to build […]
Powers of 10 by Charles and Ray Eames
Charles and Ray Eames were incredibly influential American designers – one of their most famous projects was a short film called Powers of 10. It was produced in 1977 and I was a little surprised to find that it’s still amazing to watch. It’s available for viewing on the Powers of 10 site – you […]
HOW TO – Felted Elf Slippers
Maya*Made recently came up with this great pattern for elf slippers, and shares her tutorial with us. They’re made from felted recycled sweaters, which makes them extra cozy-cute.
Farm aid social networking
Homegrown Evolution recently pointed out Farm Aid’s social networking site. This website celebrates all of us who pioneer a HOMEGROWN way to live, eat, grow, and express ourselves. We connect to the land and to each other. HOMEGROWN.org is a place where we can learn from each other, share our questions, and show off how […]
LARS: Light autonomous robotic scout
LARS is a really nice project for several reasons. First, it’s a robot powered by an Arduino with lots of sensors. Second, it’s being build by a father and his son. I can’t think of a better thing to do with your kids than teach them a new skill that can use for the rest […]
