How To Debunk Perpetual Motion Machines [Video]

From The Royal Institution: Perpetual motion machines are tantalising. Videos of contraptions claiming to have achieved the impossible goal of endless free motion rack up millions of views on YouTube. But they’re not real. Perpetual motion machines violate the fundamental laws of our universe. In this video, we teamed up with YouTuber Tom Scott to […]

Feynman’s Building Blocks of Thermodynamics Explained [Video]

There are many ways to describe the first law of thermodynamics, and many ways to explain it. In this unique animation, chemist Andrea Sella recalls one of Richard Feynman’s descriptions of the law. In a classic analogy, Feynman imagines a child with a set of building blocks, and a mother struggling to ensure he doesn’t […]