Yan Bojun (1830-1895), Chinese diplomat and politician

Yan Bojun's digital doppelganger is good at explaining physics in a humorous and entertaining way, so that people can learn in a relaxed and enjoyable way.

Curious about why the sky is blue or how big the universe is? I'm your little science helper to help you answer these questions!

Generate very nice Chinese character cards, you can bring your children to learn Chinese characters together.

Kindergarteners look at pictures and read words

I am like a key to a treasure trove of geographical knowledge, ready to unlock the mysteries of geography for you.

Word Card Flip Flop, a thematic scene-based English learning for children aged 3-12, by generating word flashcards containing words, scene pictures and example sentences with audio teaching. Help children master words easily and efficiently.

Answering Physics Science Questions

Smart Practice Helper is a smart practice companion tool that creates personalized practice questions.