How An Igloo Keeps You Warm

[MUSIC] For thousands of years, humans, and plants and animals long before that, have been using frozen “sky water” to keep warm. Which sort of doesn’t make sense. Because snow is cool. You might even say it’s… ice cold. YEEAAHHHHH! No one knows for sure who built the first igloo, but with the right fit […]

The Black Hole Bomb and Black Hole Civilizations

Black holes are the largest collections of pure violent energy in the universe. If you come too close, they’ll devour you and add your energy to their collection. And so, the energy is lost to us forever. Or is it? It turns out there’s a universe cheat code. A way of powering civilizations until the […]

The Backwards Brain Bicycle – Smarter Every Day 133

Hey it’s me Destin. Welcome back to Smarter Every Day. You’ve heard people say, “It’s just like riding a bike” meaning it’s really easy and you can’t forget how to do it, right? But I did something. I did something that damaged my mind. It happened on the streets of Amsterdam and I got really […]

Why are Tennis balls Yellow and Fuzzy? | #aumsum

It’s AumSum Time Why are tennis balls yellow and fuzzy? Because they like to show off. Earlier, tennis balls were white. But later, they were changed to yellow. Because studies showed that yellow balls were easier to see on televisions. Now, tennis balls are fuzzy because the fuzz helps them slow down. When a tennis […]

The Earth’s Spin Is Slowing Down! What Happens If It Stops?

No matter what happens, we can rest easy knowing that tomorrow is a new day! But that might not be something we’ll be able to say in billions of years. The Earth’s spin is slowing down. Eventually, days will get longer, and when they do, the lack of daily dawn could be the least of […]

Mach 1.4 Golf Ball Impacts

Alright, so, today we’re going to be testing out what happens when you take a slug. A 12 gauge high brass slug and shoot a golf ball with it. Is it penetrate right through ? Is it gonna make explode ? QUIET ON THE SET ! (laughter) (MUSIC) Alright, here we go. It sent it […]

Football physics: The “impossible” free kick – Erez Garty

In 1997, in a game between France and Brazil, a young Brazilian player named Roberto Carlos set up for a 35 meter free kick. With no direct line to the goal, Carlos decided to attempt the seemingly impossible. His kick sent the ball flying wide of the players, but just before going out of bounds, […]

STRAPPED INTO A FALLING HELICOPTER – Smarter Every Day 154

Hey it’s me Destin welcome back to smarter every day One of the reasons I absolutely love helicopters is that you can get places that you can’t with any other device So today I’m with Bradley Friesen here in where? Bradley: We’re, uh, right now in British Columbia, at Widgeon Lake in beautiful Pinecone Burke […]

Stacked Ball Drop

check out how high these different balls bounce the basketball the super bouncy ball and the golf ball now I’m going to try the golf ball on top of the bouncy ball on top of the basketball and then I’m going to explain how it’s related to a supernova didn’t you see that probably not […]

Skating on thin ice

My name is Henrik Trygg, and I’m a Swedish outdoor photographer. I’ve been ice skating for 25 years, and I think Mårten has skated 35 years. The lake is just south of Stockholm. It’s just 2000 meters long and 50 meters wide. The sound was really extraordinary that day, because the lake is so narrow, […]