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Mechanics

Launch parachutes to see how they fall.

At first glance, the giant see-through-erector-set-like structure seems to be a realization of one of Leonardo da Vinci's mechanical inventions.

In Balancing Ball, high pressure keeps a beach ball aloft.

A square wheel can roll smoothly—if the "road" is the right shape.

Spinning water makes a mathematical curve.

Fluttering waves whirl around the edge, creating patterns of evenly spaced ripples.

The Drawing Board is a pendulum that creates unique designs.

When you set these pendulums swinging, the motion of each one affects the others.

Flashing lights create the illusion of motion.

Blowing between cans makes them roll in mind-blowing ways.

A silvery, dancing vortex appears in rotating water.

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