David WilliamsDavid enjoys the connection between machines and intelligent software, and has designed and built professional tools for software, electronic, and mechanical engineering. See makingthings.com.
Author of these Magazine Articles
Put a little twang in your tune with this one-string slide guitar. Using just a board, some wire, nails, and a glass jar, this instrument is so easy to build, you won't believe how cool it sounds.
In Music from MAKE: schoolsout: School's Out page 55