A homemade copper chloride laser emits powerful bursts of green and yellow light
When a polymer sheet is stretched, it may "neck" long before it snaps
A backyard version of a Stirling engine can be built with common materials
Why are the first few puffs the hardest when you blow up a balloon?
Colored segments of a grid can shed a diffuse glow like tht from a neon tube
How to build a Hele-Shaw cell and watch bubbles Playing tag in a viscous fluid
A drop of water becomes a gateway into the world catastrOPhe optics
How to analyze the shock waves that sweep through expressway traffic
The mechanics of rock climbing, or surviving the ultimate physics exam
How to stop worrying about vibration and make holograms viewable in white light
How to get the playground swing going: a first lesson in the mechanics of rotation
In an emergency stop, should a car's wheels be locked or should the braking be controlled?
The colors seen in the sky offer lessons optical scattering
The distorted images seen in Christmas-tree ornaments and reflecting balls
The cafe-wall illusion, in which rows of tiles tilt that should not tilt at all
Drop two stacked balls from waist height the top ball may bounce up to the ceiling;
Shock-front phenomena and other oddities to entertain a bored airline passenger
Some entertaining lessons in optics that may make air travel easier to endure
Shadows cast on the bottom of a pool are not like other shadows. Why?
Does convection or the Bernoulli principle make the shower curtain flutter inward?