Tim Hunkin Watch this delightful deep dive into the wonderful world of hinges Mark Frauenfelder

components The must-watch first episode of "The Secret Life of Components" is up Mark Frauenfelder

explainer videos Video explains epidemic R-number through crocheting Mark Frauenfelder

decimal system Excellent 1966 Australian PSA on the switch from £sd to decimalized currency Mark Frauenfelder

explainer videos How tri-color e-ink works Mark Frauenfelder

explainer videos How data error correction works Mark Frauenfelder

explainer videos How road sign reflectors work Mark Frauenfelder

asteroid base Here's how asteroid mining will transform the world Andrea James

neural networks How neural networks work – A good explainer video Mark Frauenfelder

vacuum chambers What does a fan do in a vacuum chamber? Mark Frauenfelder

ultraviolet radiation Big Clive examines a fake UV disinfection lamp sold on eBay Mark Frauenfelder

sohcahtoa Lockdown math: trigonometry fundamentals Mark Frauenfelder

software What the hell are Git and GitHub? Mark Frauenfelder

explainer videos What happens when you shoot a Nerf bullet backward while driving the bullet's speed Mark Frauenfelder

buildings This 3D animation shows you what's inside Seattle's famous Space Needle Mark Frauenfelder

explainer videos Here's Kurzgesagt – In a Nutshell's explainer video about COVID-19 Mark Frauenfelder

mechanisms Animated explainer video: how an oscillating fan works Mark Frauenfelder

explainer videos How an automatic rice cooker works Mark Frauenfelder

explainer videos Why should you read Dune? Mark Frauenfelder

bone spurs What would happen if you dodged the draft in the United States? Mark Frauenfelder