Make sweet music
Pencil shavings make for cheap circuits
A designer chooses an unlikely material as the basis for his newest audio project: slime
Unlock the mystery of the pencil by turning out a few of your own.
Graphite is experimental gold
Diamonds are for, well, a couple seconds
A conductive-ink gift for your sweetheart
Give them as a DIY gift
Your DIY questions, answered
Tired of waiting for our fuel of the future to come of age? Grab a cup of water and a 9-volt, and read on.
For 150 years scientists believed that stable magnetic levitation was impossible. Then Roy Harrigan came along.
The author creates an ornament—using his barbecue
Learn how to weild a plasma cutter like a pro and you can slice through steel like butter
One of ten brilliant innovations from our 2015 Invention Awards
With a new book that brings tech-savvy to the fashion set, designer Diana Eng takes another step in her quest to unite science and style
Live like a Terminator; replace your fingerprint with an iButton
And become a human circuit board
The breeze spins the turntable
University of Warwick researchers have developed a new material that is conductive, piezoresistant, and printable in the latest generation of consumer 3-D printers.
Thermite powder yields pure, white-hot iron when lit. Don't try this one at home.
There are many ways to melt metal, but an arc furnace can liquefy almost anything you put in it, using only electricity.