A ripple tank can be used to measure and calculate frequency, wavelength and the speed of waves on the water's surface. A ripple tank is a transparent shallow tray of water with a light shining ...
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NASA rover discovers liquid water 'ripples' carved into Mars rock — and it could rewrite the Red Planet's historyScientists have discovered evidence that liquid water was once exposed to the air in ancient, shallow lakes on Mars. The finding is evidence that not all water on the Red Planet was covered in ice ...
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