杨振宁：“渗透性的学习法”。

原始完整视频，38分开始：

The secret to kids learning faster and better has been known since 1960. But it’s been impossible to implement. Technology is just starting to catch up, so we can finally use what we’ve known for years to radically change how we educate kids. Want to learn how? Read this:

越是不懂就越要想方设法搞清楚搞明白