Iron filings will trace out the lines of a magnetic field in three dimensions.
Magnetic lines stop here.
By heating a solution of soap, water and food coloring, fluid motion can be visualized.
Who needs expensive optical equipment?
With polarized light, you can make a stained glass window without gla
If you rotate a pair of polarizing sunglasses, you will find that they cut road glare much better in some positions than in others.
Wiggle where you're at.
Caged molecules do their thing.
Your experience of the world influences what you see.
Make a battery with plates made of two different metals and your own two hands.
Boil liquid with just the heat of your hand.
You can focus the invisible light from an electric heater.
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© 2014 Exploratorium
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