When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth's crust and cause the shaking that we feel.

当在边缘上的压力超过摩擦力时，能量通过地震以波的形式释放出来，穿过地壳造成我们所感觉到的震动。

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Some of the strongest tidal currents in the world race around UK shores and there's some of the highest energy in the waves that roll in from the Atlantic.

英国海岸环绕着世界上最强的一些洋流，来自大西洋的海浪中也蕴含着极高能量。

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In fact they must release energy in that way in order to degrade their orbits and get close enough to merge. Those gravitational waves could act sort of like a jet engine, explained Jonker.

Jonker解释道，“事实上他们必须通过这种方式来释放能量，降低轨道，彼此靠近并最终融合，这些重力波能产生类似喷气发动机的效果。”

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Proponents also point to a recent study published in JAMA, which found that high-energy shock waves were better than low-energy waves in treating patients with shoulder tendinitis resulting from calcium deposits.

FORBES: The Big Hurt

This technique uses the energy in radio waves, broadcast from a transmitter and harnessed by an antenna, to generate electricity.

ECONOMIST: Wireless charging

Indeed, in 1974 Russell Hulse and Joseph Taylor recorded an indirect sighting when they showed that a pair of stars spiralling towards each other was radiating energy in the form of gravitational waves at exactly the rate predicted by Einstein.

ECONOMIST: Fundamental physics