Featured in DIY
Getting the Lead In
Unlock the mystery of the pencil by turning out a few of your own.
Heart-rate monitor with built-in GPS gives endurance athletes their first accurate tool for tracking pace and distance.
Ignorance = Maglev = Bliss
For 150 years scientists believed that stable magnetic levitation was impossible. Then Roy Harrigan came along.
The Subatomic Assembly of H2
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.
Making Small Change Smaller
The art of shrinking coins using copper coils, magnetic fields and enough energy to power a small city.
Smelting in a Microwave
Our scientist zaps tin and silver, shatters glass, and arcs his oven to prove a point.
Casting About, from Al to Zinc
The best metal for the job isn't always the ideal one.
Microcrystalline in 30 Seconds
Behold the smooth, sweet powers of liquid N.