A short video showcasing various loading animations and their role in user interface design.

习惯可以改变一个人，好的习惯让我们变得更好，坏的习惯让我们不由自主。如何养成好的习惯，改变自己？

Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.

Debunking the myth: Space Shuttles were designed for low-Earth orbit, not lunar missions. Explore the facts behind the Space Shuttle program.

Footage of busy city streets on a rainy day, with people rushing to their destinations under colorful umbrellas.

A rare glimpse of the former German Chancellor Angela Merkel savoring a plate of spaghetti in a casual setting.

A scene from the 1990 comedy film 'Kindergarten Cop' where Arnold Schwarzenegger's character punches a pig.