Featured by Theodore Gray
Gray Matter: In Which I Play With White Phosphorus
One of the nastiest substances on Earth creates a beautiful glow
Gray Matter: Want a Chemical Reaction Without Heat? Add a Catalyst
How does this copper earring glow without any flame or current?
Gray Matter: In Which I Dip My Finger In Molten Lead
The true test of trust in science
Gray Matter: Recasting The Highly Hazardous Toys of the Past
Gives new meaning to the term "getting the lead out"
Instant Kool-Aid is a Marvel of Technology
A glass of instant Kool-Aid requires eight ounces of water and a surprising amount of innovation
Gray Matter: When Tomato Meets Magnet
Magnets don't have to be big to produce deadly force, as this slow-motion tomato-pulverizing video shows
Gray Matter: The Fire Bird
Deep-frying a turkey can be a delicious Thanksgiving treat—or a deadly conflagration, as our rather dramatic video shows
Gray Matter: Big Bang Theory
Alkali metals react strongly with water—but which one creates the biggest explosion?
Gray Matter: Easy DIY Gunpowder
While other kids played cops and robbers, our columnist made his own explosives. See how to make your own in our video
Gray Matter: Fire In The Hole
Chemicals can turn any tree stump into virtual gunpowder