Everybody falls––the trick is, can you fall without hurting yourself? This stuntman teaches you how to properly hit the deck with a variety of stunt methods. 

The speed of light isn’t about light…even though light is in the title. This video gets into the complex physics behind this statement––the speed of light is actual the effect of this phenomenon, not the cause. This video looks at the cause. 

There are lots of protective measures to keep the president safe. One of those measures involves airspace: take a look at what happens if a plane gets too close to the airspace around the president. 

Stephen Colbert didn’t believe Bruce Willis when he told Colbert that he did his own stunts. Calling Bruce Willis a liar is a terrible idea, as it turns out. 

Pretty soon, you’ll be able to get a phone charger out of a package just like a wet nap. Take a look at how these disposable chargers work. 

You know those people who insist on correcting your grammar? Show this video to them. It’s a (mostly) polite reminder than grammar changes over time, and that the rules shouldn’t be adhered to so strictly. 

The Byzantine Empire: you probably don’t think about it much, but it’s a fascinating period of history. Take a look at this introduction to the eastern half of the Roman empire.

This dog’s owners were getting noise complaints from neighbors. They couldn’t imagine what the source of the noise was, so they set up a nanny cam. The results were, to say the least, surprising: their dog playing piano and singing. 

Most of the time, Jeopardy contestants are bright, and they answer questions well. Even when they get answers wrong, it’s not too wrong. But sometimes those answers are so far off base everyone is left a little puzzled. 

Are you ready for your brain to hurt a little bit? If you take a sphere and remove the core from it, you’re left with a shape called a napkin ring (because it looks like a napkin ring). If you take two napkin rings of the same height from two spheres of any size, their volumes will be the same. Here’s how it works. 

This kid is just fourteen, but he deadlifts well over three-hundred pounds. Take a look at this short documentary about his controversial powerlifting career. 

Disney is a money-making machine, as many of you already know. This video examines exactly what Disney’s strategy is to make money hand over fist, including the way their movies, parks, and products create a unified user experience.