You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.
拓扑绝缘体的美在于它们的鲁棒性;它们的表面态受到对称性和拓扑的保护,使它们对某些类型的无序免疫。
过去总是紧张的,未来是完美的。