真空问题既是一个老问题,又是一个新问题,因为从古代它就是一个重要问题,并且在当代物理教学前沿它仍然是一个大问题.一、古代对真空的认识在古代,关于真空的看法基本上有两种:一种承认有真空,有虚无一物的空间,有作为独立存在的空间,如德谟克利特哲学,就以原子与虚空为基本观念,原子在虚空中运动,它们聚合成万物;另一种否认有 The vacuum problem is both an old problem and a new problem, because it was an important issue since ancient times, and it is still a big problem in the forefront of contemporary physics teaching. First, the ancient understanding of vacuum in ancient times, the basic view of vacuum There are two kinds: there is a space for admitting that there is nothing, and there is a space that exists as an independent entity. For example, in the philosophy of Democritus, the concept of atom and void is the basic concept. The atoms move in the void and they converge into Everything; another denial