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
AdultsConstructionEducationHistoryArtThis 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
AdultsConstructionCreativityEducationScienceExperimentsI tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.
Why Do All YouTube Videos Look Alike?
AdultsCreativityEducationMediaInternet CultureScienceMany crustaceans from all sorts of starting points evolve to end up looking similar, likely due to outside pressures. That’s sort of like what happens with YouTube videos.
The Paradox of an Infinite Universe
AdultsEducationScienceSpacePhilosophyWhat is outside of the universe? We know that the universe had a beginning 14 billion years ago and that it has been expanding ever since.
Why Are All Humans Unique? Meiosis: Crash Course Biology
AdultsBiologyHumanScienceEducationEver wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.
Why Climbers Trust Rubber With Their Lives
AdultsEducationLifeScienceEngineeringWhy is rubber so “sticky”? Why does rubber consistently have one of the highest coefficients of friction?
Did The Future Already Happen? - The Paradox of Time
AdultsCreativityEducationSciencePhilosophyFutureIs your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.
6 Tips on Being a Successful Entrepreneur | John Mullins | TED
AdultsEducationHumanLifeBusinessStartupsLeadershipSometimes, you need to break the rules to innovate — but which ones? Entrepreneurship professor John Mullins shares six counter-conventional mindsets for entrepreneurs looking to think strategically, navigate challenges and change the world.
Primitive Technology: Crab and Fish Trap
AdultsConstructionCreativityEducationDIYExperimentsSurvivalI made a fish trap from cane and tested it over the course of a year catching various aquatic animals.
Can a Simple Brick Be the Next Great Battery?
AdultsEducationScienceTechnologyEnvironmentBiologyThe world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use.