chemistry
3 篇Chemist Leo Baekeland | 化学家利奥·贝克兰
This article chronicles the life and work of chemist Leo Baekeland, inventor of Bakelite, the wor...
34 阅读The Formula for Water | 水的分子式
A humorous classroom exchange where a student misunderstands the teacher's explanation of water's...
32 阅读Can You Eat Any More? | 你还能吃吗
A chemistry teacher uses the analogy of eating rice to explain the saturation point of a solvent,...
27 阅读