Return 1948

In 1959, the atomic bomb exploded. 1963, Hydrogen bomb breakthrough. From individual missiles to intercontinental missiles, from photolithography machines to communication standards—— He has allowed China to establish generational advantages in key technological fields. On the day he died at the age of 102, he returned to 1948. MIT doctoral student, 24 years old, started as technical deputy director of Northeast Textile Factory. Hiding knowledge that should not belong to this era, step by step. This is not a cool article. There is no system, no cheats. He only has the brain of an old scientist and a heart that wants to do something. A "how to" book.