As with much else in modern physics, the idea involves particle acceleration, the kind of thing that goes on in the Large Hadron Collider in Switzerland.
正如现代物理学中很多其他的观点一样，这个观点也涉及到了粒子加速，也就是位于瑞士的大型强子对撞机正在做的事情。
The acceleration is thought to be driven by dark energy, but what that dark energy is remains an enigma - perhaps the greatest in physics today.
研究者们认为是暗能量推动宇宙膨胀速度加快，但是暗能量究竟是什么仍然是个未知数——也许这是当今物理学界的最大难题。
The experiment uses a trait of the physics pendulum and designs another method to measure the acceleration of gravity.
本实验针对实验室用物理摆的特性，设计出另一种用物理摆测量重力加速的方法。
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