What causes the "tears" that form on the inside of a glass of wine?
How lenses can be made out of ice, and what happens when coke is brewing in the ibrik
How to analyze a city traffic-light system from the outside looking in
Thermal oscillators: systems that seesaw, buzz or howl under the influence of heat
Simple and vivid demonstrations of advanced concepts in physics
What happens when water boils is a lot more complicated than you might think
Simple optical experiments in which spatial filtering removes the "noise" from pictures
Delights of the "wobbler," a coin or a cylinder that precesses as it spins
When different powders are shaken, they seem to have lives of their own
Walking on the shore, watching the waves and thinking on how they shape the beach
In which a Lifesaver lights up in the mouth and light takes funny bounces through a lens
The essence of ballet maneuvers is physics
What makes you sound so good when you sing in the shower?
"Floaters": visual artifacts that result from blood cells in front of the retina
Motors in which magnets attract other magnets in apparent perpetual motion
The "speckle" on a surface lit by laser light can be seen with other kinds of illumination
Why do particles of sand and mud stick together when they are wet?
Reflections on the rising bubbles in a bottle of beer
The pleasures of the pinhole camera and its relative the pinspeck camera
The aerodynamics of the samara: winged seed of the maple, the ash and other trees