Most of the important discoveries in mathematics take place after decades or centuries of effort. If you want to attack the biggest problems, you’ll need to master a lot of highly technical material ...
SAN FRANCISCO — When faced with simple math problems, people who get jittery about the subject may rely more heavily on certain brain circuitry than math-savvy people do. The different mental approach ...
Back in 1948, the journal Physical Review published a paper entitled “Space-Time Approach to Quantum Electrodynamics” by a young physicist named R.P. Feynman at Cornell University. The paper described ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
反馈