Electricity and Magnetism

At Black Sand, see the shape of an invisible magnetic field.

Exhibit developer Richard Gagnon explains how the exhibit came to be and how it's taken care of.

A magnet's force gathers and disperses a magnetic fluid in dynamic patterns.

Power these appliances with your feet!

Try building these circuits found in everyday objects.

Electricity moving in a wire makes a circular magnetic field.

Change the measured weight of an object—without touching it.

For magnets, strength isn’t necessarily in numbers.

Hanging magnets reveal the earth’s magnetic field.

Ionized water swirls in pH-indicating dye.

Get your hands into magnetic sand.

Make a simple battery that will light an LED.

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