Icicles ensheathe a number of puzzles: just how does the water freeze?
How to map electrically charged patches with parsley, sage, rosemary and thyme
Why sidespin helps the bowler and how to keep scoring strikes.
The feathery wake of a moving boat is a complex interference pattern
What explains subjective-contour illusions, those bright spots that are not really there?
How to capture on film the faint glow emitted when sticky tape is peeled off a surface
Fluid interfaces, including fractal flows, can be studied in a Hele-Shaw cell
Now there is Rubik's Magic, a new puzzle that provides a study in permutation operators
Sticky threadlike substances that tend to draw themselves out into bead arrays
Music and ammonia vapor excite the color pattern of a soap film
Why a fluid flows faster when the tube is pinched
Puzzles in two and three dimensions, and ways to simplify their solution
Concerning disappearances, including the Cheshire cat's odd vanishing act
Making a barometer that works with water in place of mercury
Calculating the distance to the sun by observing the trail of a meteor
The secret of a microwave oven's rapid cooking action is disclosed
Reflections from a water surface display some curious properties
Methods for going through a maze without becoming lost or confused
The hyperscope and the pseudoscope aid experimen ts on three-dimensional vision
Cracks in a surface look intricately random but actually develop rather systematically