DIY Rainbow Light
KidsArtCreativityHow-to...This tutorial unveils how to craft a captivating rainbow light using only a roll of tape and your mobile phone's flashlight.
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 To Draw: Cartoon Ravioli
KidsArtCreativityHow-toJoin me as we cook up some fun and draw a funny cartoon ravioli.
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.
Our Instruction Manual for Existing
AdultsBiologyHistoryHuman...Your DNA contains all the instructions your body needs to function. In this episode of Crash Course Biology, we’ll figure out what this giant instruction manual looks like and how this three-billion-letter code gets copied into your trillions of cells through DNA replication.