simple machines Almost everything you want to know about wheels is in this 1966 explainer movie Mark Frauenfelder

explainer videos An entertaining video about reclaiming lithium batteries in discarded vape pens Mark Frauenfelder

explainer videos This video explains how AI creates its anime characters Mark Frauenfelder

explainer videos This instructional video from 1979 will teach you how to open a door Popkin

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

explainer videos 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