That achievement came at the Bevatron accelerator at Lawrence Berkeley National Laboratory, by smashing protons into a piece of copper. 在美国劳伦斯柏克莱国家实验室的贝伐加速器（Bevatronaccelerator）里，以质子撞击铜片便可以办得到。
Broken brick road use, are relying on people to pick up or to break his own house after house, smashing the above banla brickbat, the drag on the road. 修路用的碎砖头，都是老百姓依靠捡拾或者自己家里破房子上面的半拉碎砖经过砸碎后，拉到公路上的。