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

A highly detailed, black and white pencil drawing of a neuron network, with hundreds of neurons ranging in size, and active synapses glowing, in a cartoon comic book style.

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？

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

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

A tour of the iconic city, showcasing its famous landmarks, diverse neighborhoods, and vibrant culture.

A woman captures a moment in time with her camera, freezing a memory forever.