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Tidal power
  

Tides are basically big bulges of water created by the gravity of the sun and the moon. These bulges move around our planet, back and forth, creating currents and causing water levels to rise and drop. Since we know where the moon is at all times, we can predict the rise or fall of water levels and at which location it occurs. Usually it takes about twelve hours for water to rise and twelve hours to fall.

We can take advantage of this rise/fall phenomenon by harnessing renewable energy from it. By installing barrages (small damns), we can generate electricity from passing water by using turbines. Because the rise/fall phenomenon is always there, tidal power is a clean, non-polluting, renewable source of energy.

Check out the advantages and disadvantages of tidal energy.

 

     
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Eli Marshall. All rights reserved.