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

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

Russian President Vladimir Putin is seen dancing at a public event, showcasing a rare lighthearted moment.

A brief moment of a woman smiling as she turns left, capturing a natural and carefree expression.

A young man in a black hoodie takes the stage, singing to a large and enthusiastic crowd at a live concert event.

A simulated spacecraft navigates the intense gravitational forces surrounding a black hole, showcasing the warping of space-time.

A Chinese song performance with a nostalgic and longing tone, evoking a sense of adventure and exploration.