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

A demonstration of a USB pen drive being physically broken in half by hand, highlighting its fragility.

了解中国唐代伟大诗人杜甫的故事，他如何从贫穷学士成为官员和诗歌奇迹的创造者，及其对生命和人民的热爱和关怀。

Learn how crypto trading bots use algorithms to automate buying and selling of cryptocurrencies, and explore their benefits and risks.

Learn about the guitarra, a stringed musical instrument originating from Spain, its history, types, and playing techniques.

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

The Terminator star and former Governor of California acknowledges and waves to his enthusiastic fans in a public appearance.