Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment
AdultsConstructionCreativityNature...I tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.
How This Guy Runs a 5 and a Half Minute Mile...Backwards | WIRED
AdultsCreativityHumanLife...Ever tried running backwards? Meet Aaron Yoder, one of the world's fastest backward runners who can complete a reverse mile in five and a half minutes.
Why Are All Humans Unique? Meiosis: Crash Course Biology
AdultsBiologyHumanScience...Ever 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 Steve-O risked his life over, and over, and over again
AdultsHealthHumanPsychology...You know Steve-O. Now meet Steve Glover, as the professional stuntman talks to us about pain, insecurity, and never finding contentment.
Chandigarh a perfectly planned city?
AdultsConstructionCreativityHistory...Explore the construction of the futurist city Chandigarh, a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier.
Did The Future Already Happen? - The Paradox of Time
AdultsCreativityEducationScience...Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.
Why It Was Almost Impossible to Make the Blue LED
AdultsHistoryScienceTechnology...The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
Psychiatrists Can't Agree About This New Disorder
AdultsHealthHumanPsychology...Prolonged grief disorder recently debuted in both of the two manuals that clinicians use to diagnose psychological conditions. But the DSM and the ICD don't completely agree on what it is.