Primitive Technology: Geopolymer Cement (Ash and Clay)
AdultsConstructionCreativityEducation...I have made wood ash cement before under the assumption that it was the calcium in the ash that gave it its cementitious properties...
Does Expensive Coffee actually taste better?
AdultsEducationFoodMedia...Coffee beans are one of the most confusing items to purchase, so over the past several weeks, I bought 20+ different kinds of coffee at different price points, visited a local roaster, tried roasting my own beans at home and tested a bunch of types of coffee in order to understand the flavor and price differences of coffee beans.
The Solar System is Beige
AdultsEducationScienceSpace...Whether you grew up with a poster of the solar system on your bedroom wall or not, you've probably got a specific idea of what the planets look like. From brilliantly blue Neptune to the "red planet" Mars. But if you managed to actually visit these worlds, you'd find reality... a little beige.
What Makes Kurzgesagt So Special?
AdultsCreativityEducationScience...We're finally revealing the secret sauce behind kurzgesagt videos.
Alex Honnold Explores Sustainability at Epcot
AdultsEducationTechnologyWorld...For Earth Month, Alex Honnold visited Walt Disney World to find out how the Sunshine State's namesake is helping to sustainably power the park while also boosting biodiversity.
How AI Will Step Off the Screen and into the Real World | Daniela Rus | TED
AdultsEducationScienceTechnology...The convergence of AI and robotics will unlock a wonderful new world of possibilities in everyday life, says robotics and AI pioneer Daniela Rus.
Primitive Technology: Wet Season Destroys Thatched Workshop
AdultsConstructionCreativityEducation...The thatched workshop where I produce bricks, pottery, cement and charcoal for various projects was destroyed by prolonged rain from the wet season.
Does Fallout's "Rule of Thumb" Work?
AdultsCreativityEducationScience...Is #fallout 's famous Vault Boy actually hiding some accurate nuclear blast survival tactics?
Why the Hardest Rocks Can Be Easy to Break
AdultsEducationMathPhysics...So, rocks are hard. But the scale we use to rank them, the Mohs scale, is only really good at quantifying that for one kind of hardness, and topaz is a perfect stone to talk about to explain that. And you can check it out in our SciShow Rocks Box subscription!
MinuteEarth Explains: Solar Eclipses
AdultsEducationScienceSpace...Over the last year, we at MinuteEarth and MinutePhysics have had the privilege of working with NASA's Heliophysics Education Activation Team make a series of videos about the awesomeness of solar eclipses. Here they are, all seven of them!
The Real Killer Of The Dinosaurs
AdultsEducationHistoryScienceA ruthless murder was committed! Someone killed the dinosaurs and we have the murderer! Witnesses say that an Everest-sized asteroid hit Earth, devastated the planet and caused a mass extinction. A simple, fascinating and convincing explanation. Or… is it?
How the Most Expensive Swords in the World Are Made
AdultsConstructionEducationHistory...This is a video about how Japanese samurai swords, aka katanas, are made – from the gathering of the iron sand, to the smelting of the steel, to the forging of the blade.
Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment
AdultsConstructionCreativityEducation...I tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.