If you follow them on any regular basis, you know that Kurzgesagt is mostly focused on videos about science, the future, and the nature of our universe. But this time, they offer up a clip that is more about improving our lives in the here and now, looking at how gratitude works, and why it’s so important for us to embrace it.
There’s a lot of debate as to whether the universe goes on and on forever, or if you kept going, you’d eventually reach its edge. PBS Space Time digs into this astrophysics quandary. Whether the universe is geographically-flat and infinite, or it curves in on itself, it’s still more enormous than most of us can fathom.
In the first episode of his series “Reservations”, CGP Grey explains how the Europeans who took over America slapped a label on its indigenous people that would later be thought of as offensive, yet is still commonly used within tribes. Plus, the term selected to replace it has stirred controversy for other reasons.
Whether it’s a bee sting or a kick in the groin, pain sucks. But we need these unpleasant sensations so we know when something is wrong or when to avoid danger. Life Noggin explores the nature of pain, and some conditions which prevent people from feeling it.
We’ve pulled our share of all-nighters over the years, but have drawn the line somewhere around 36 hours without sleep. But the What If channel explores what life might be like if sleep weren’t a necessity for our brains and bodies. It turns out having all that extra time would have sweeping implications, both good and bad.
As long as we’re not carrying a heavy suitcase, we generally take the stairs when given a choice. But for those times when you feel like giving your legs a break, the escalator is quite the invention. Jared Owen provides an animated explanation of the inner workings of this engineering marvel that dates back to the mid-19th century.
It’s a requisite stop for every kid with change in their pocket. But have you ever wondered how dropping a coin into a gumball machine makes it dispense a chewy treat? Animator and explainer of things Jared Owen gives us a detailed breakdown of its mechanism.
If you find space science fascinating, check out this clip from Kurzgesagt, in which they explain how neutron stars work. These phenomena may only be a few kilometers in diameter, but have an insanely dense atomic nucleus and powerful gravity, thanks to their origins as massive stars which have collapsed and gone supernova.
There are lots of things to be frightened of in the world, but is there a universally worst terror for all people, regardless of age, race, sex, culture or other attributes? Michael Stevens of Vsauce digs into the notion of fear, and how these unpleasant feelings are triggered in our brains. He also hates purple squares now.
We all learned the positions of the planets from some chart on the wall in grade school. But as CGP Grey reminds us, planets rotate in elliptical orbits at varying speeds around the sun, meaning that the answer isn’t quite as simple as you thought – depending on the question you’re actually asking.
Back in the 1950s, a new method of transportation was in development. The Fairey Rotodyne looked like the offspring of a helicopter and an airplane, and could take off and land vertically. But fast as it appeared, the Rotodyne vanished. Mustard takes a look at this unique aircraft, and why it never got off the ground.
It’s a terrifying thought, but in the interest of keeping us educated about the dangers of nuclear weapons, Kurzgesagt is here to teach us just how awful it would be if humans ever were ever to detonate a nuclear weapon in a city. Even worse, we actually did this to people back in WWII.
You might think that robots are a 19th or 20th century invention, but the idea of a humanoid machine dates back way further. TED-Ed looks back to an ancient Greek myth that involved a giant automaton warrior built to defend an island kingdom. It was also the first story about a robot struggling with its humanity.
During WWII, Oak Ridge, Tennessee served as a facility for nuclear weapons development, housing nearly 75,000 people, all while managing to keep the entire existence of the town top secret. Half as Interesting explores the fascinating history of this small southern town.
“There are more phages on Earth than every other organism combined.” Kurzgesagt takes a few minutes to educate us on the finer points of the bacteriophage, a type of virus which is constantly killing off billions of microscopic organisms all around and inside of us.
Ever wonder what the quietest and loudest sounds in the universe might be? With the help of their imaginary robot Noisy, and Microsoft’s anechoic chamber, Bright Side digs into this question, and some of the science behind the way sounds travel and how our hearing works.
If you’ve ever played with one of those drinking bird toys, you know it can be quite fascinating to watch as it dunks its beak in and out of a glass of water. Engineerguy Bill Hammack pops off the bird’s festive blue hat to explain the thermodynamics which make the nearly endless fun happen.
While jet engines do have the ability to reverse their thrust to slow down, or even taxi backwards, it’s not possible for an airplane to do the same in the sky. Bright Side provides a layperson’s explanation of the physics and safety issues that prevent this from happening.
While you might think that origami was exclusively an art form, engineers are taking inspiration from the paper-folding craft to create innovative designs that can shape-shift to fit objects to into smaller spaces, and enable compact mechanisms, while decreasing the number of parts used. Veritasium explains.
In a just barely Halloween-themed episode, musical expert 12tone walks us through the complexities of distortion, and what it is about such sounds that make them more creepy and off-putting than others – sort of like the way he draws from right to left across the page.
Ahoy presents an incredibly in-depth analysis of the origins of video games, swiftly debunking any confusion that Pong was the first video game ever, and looking back at early titles like Computer Space, SpaceWar!, Tennis for Two, and their programmers. Turns out hunting down the very first video game isn’t that simple.
The What If channel likes to imagine some pretty gory hypotheticals, but this one takes the cake so far, as they envision what might happen to our bodies if we were to jump into a swimming pool filled with stomach acid. TL;DW: just get out of there and hose off quick.