As the tide comes in on Hangzhou, China, a wave called the Silver Dragon travels up the Qiantang River, opposite the direction of the river’s flow. This tidal bore is largest in September.

With increased investment, new technology could change the way we harness the ocean’s potential Wave energy works differently to tidal energy: instead of harnessing the ebb and flow of tides, wave ...

of the waves \(\rightarrow\) electrical energy. Huge amounts of water move in and out of river mouths each day because of the tides. The moving water has kinetic energy A tidal barrage is a ...