Created in partnership with The European Marine Energy Centre. Renewable energy close Renewable energyA natural source of energy that will never run out, such as from wind, the sun, or water.

The combination of cheap materials, low water use, and leveraging abundant ambient heat make it an appealing device.

The concept is simple – use excess energy to pump a lot of water up high, then run it back through a turbine when you want to get the energy back later. With the rise in renewable energy ...

What do you notice about the way the food coloring moves in the two cups? The food coloring in the hot water will move around and mix more and become more green than the food coloring in the cold ...

The movement of all this water involves a lot of energy - energy that could be used to generate electricity. For tidal power to work, you need a really strong flow of water. This is easier to ...