1. He understood the interaction of particles of matter, and that's important to set the stage for the Rutherford experiment in Manchester about 10 years later. 他理解物质粒子之间的相互作用，这点很重要,对于10年后他在曼彻斯特搭设,用于卢瑟福实验的平台来说。

2. People are very comfortable talking about individual photons, but now we can talk waves of matter.