100000 why - Online youth Encyclopedia

"100000 whys" is a website dedicated to creating an online encyclopedia for children, children and teenagers, and reading the complete collection of 100000 whys e-books online, including human body mysteries, astronomy and geography, military transportation, biological Kingdom, mathematics and chemistry, information technology, history and culture, national sports, nutrition and health.

"100000 whys" is a set of popular science books characterized by popularization and small encyclopedia. Dong Chuncai translated the work "100000 whys" written by Yilin, a Soviet writer, into Chinese for the first time in 1934. As one of the few readers to popularize knowledge, 100000 whys had a far-reaching impact. Although the website is not as influential and knowledgeable as authoritative books, the website is specially established for domestic teenagers, which is still worth collecting from the perspective of knowledge.