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Using two eyes gives you depth perception.
You can see it, but you can’t touch it.
Whirling water creates a tornado in a bottle.
A round bowl of water can act as both a magnifier and a lens.
Rotating water has a curved surface.
Short bursts of moving images produce some interesting effects.
Sometimes, you’re your partner’s splitting image.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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