Primitive Technology: Rock-Throwing Catapult (Trebuchet)
AdultsCreativityEducationNatureDIYEngineeringScienceI built a trebuchet, a type of catapult that uses a counter weight to store gravitational potential energy which is then used to fire a projectile via a sling.
The Man Who Killed Millions and Saved Billions
AdultsHistoryHumanSciencePhilosophyFritz Haber is the scientist who arguably most transformed the world. Part of this video is sponsored by Wren.
Bill Nye Breaks Down Webb Telescope Space Images | WIRED
AdultsEducationScienceSpaceTechnologyThe James Webb Space Telescope has dazzled us with its first batch of images. WIRED got in touch with the one and only Bill Nye to break down some of these astonishing photos, explaining what we're really looking at.
The 4 things it takes to be an expert
AdultsEducationHumanSciencePersonal FinanceWhich experts have real expertise?
The Riddle That Seems Impossible Even If You Know The Answer
AdultsEducationMathScienceProblem-SolvingThe 100 Prisoners Riddle feels completely impossible even once you know the answer. This video is sponsored by Brilliant.
The Actual Reason Men Die First
AdultsMental HealthPsychologySelfHealthScienceBecause females often outlive males, behavior is often blamed - but there is a decent chance our sex chromosomes might be to blame instead.
How Trash Goes From Garbage Cans to Landfills (Every Step Explained) | WIRED
AdultsCitiesEconomyIndustryEnvironmentScienceEvery day New York City picks up 12,000 tons of refuse and recycling. How does all this trash go from the garbage can to its final destination? Former New York City Sanitation Commissioner Ed Grayson is here to explain.