At normal listening distances, an array of twelve speakers arranged on the faces of a dodecahedron is a very good approximation of a point sound source, and the sound waves it produces are very close to perfectly spherical. A dodecahedron speaker can be a useful tool in acoustics research, and is definitely a fun toy […]
This year Paul had the idea to be a candle for Halloween. Though it is well known in our family that Mom is a good seamstress and crafter, Paul really didn’t know how she could take his idea and run with it.
Create your own foam stamp and print some simple fabric flags to make party décor that’s one-of-a-kind. Foam is inexpensive and easy to cut, with no special tools required. Combine printing with the fun of mixing fabrics and you might find yourself making a banner for every occasion! Try spelling out the name of a […]
This project is derived from LifeHacker alum Jason Fitzpatrick’s improvised clean/dirty dishes indicator, which uses the same CD + suction cup idea. When I tried Jason’s trick for myself, however, I found that, while the hole in an optical disc does fit nicely over the hub of a hardware-store suction cup, all the cups I […]
