The Liquid Bomb That Makes Water Explode With a Single Drop — The History of NaK

💧 A steel rod jabbed into a yellow crust inside a furnace in Tennessee. A reactor in the Idaho desert that lit four light bulbs. Tens of thousands of frozen metal beads still circling the Earth. And all of it came from the liquid bomb that makes water explode with a single drop. This video tells the story of NaK — the mix of sodium and potassium that stays liquid at room temperature, which cooled one of the first reactors to make electricity, flew aboard the first reactor ever launched into space, and leaked out of Soviet spy satellites. From a drop that may have sat in front of Humphry Davy in 1807 to a high-speed camera and a paper in Nature Chemistry in 2015, this is the story of the liquid bomb that makes water explode with a single drop. 💥 In this video: 🧪 Why Humphry Davy may have made the first drop of NaK without knowing it 💡 How it carried the heat that lit four light bulbs in the Idaho desert in 1951 🟡 The thin yellow crust that turns it into a bomb, and the warning that sat in print for 45 years 🛰️ The first reactor in space, and the Soviet spy satellites that sprayed it into orbit 🔥 The steel rod that set off an explosion at Oak Ridge in 1999 📸 The high-speed camera that finally showed why a single drop makes water explode If you enjoy the history of explosives and the chemistry behind them, subscribe for more — and tell me in the comments which chemical I should cover next. #NaK #SodiumPotassiumAlloy #LiquidMetal #NuclearHistory #SpaceHistory #ColdWar #RORSAT #OakRidge #ChemistryHistory #ScienceHistory #HistoryOfExplosives #DangerousChemicalsDocumentary 00:00 Intro 01:34 The First Drop In Davy's Lab 03:36 The Metal That Looked Like Mercury 06:02 Four Light Bulbs In The Desert 09:04 Dounreay's Reactor By The Sea 10:54 The Yellow Crust 13:21 The First Reactor In Space 15:41 The Soviet Satellites That Fell 18:29 Frozen Beads Circling The Earth 20:54 The Steel Rod At Y-12 23:04 Why A Single Drop Explodes 25:04 NaK Today 📚 Sources: U.S. Department of Energy, Type A Accident Investigation Board Report on the December 8, 1999 NaK Explosion at the Y-12 Plant (2000) Humphry Davy, Bakerian Lecture on the decomposition of the fixed alkalies, Royal Society (1807) Mellor, A Comprehensive Treatise on Inorganic and Theoretical Chemistry, Vol. 2 (1922) Idaho State University, Experimental Breeder Reactor I and NaK World Nuclear News, reports on the Dounreay NaK disposal (2012, 2016) World Nuclear Association, reactor database Scientific American, report on the Coulomb explosion of alkali metals in water (2015) ⚠️ This is a historical documentary made for educational purposes. It contains no instructions — do not attempt to make or handle any substance shown.