How do gas masks actually work? - George Zaidan Published 2024-04-30 Download video MP4 360p Download video MP4 720p Recommendations 05:33 Why plague doctors wore beaked masks 11:36 Something weird happens when you keep squeezing 04:55 What happens if you don’t put your phone in airplane mode? - Lindsay DeMarchi 05:44 The diseases that changed humanity forever - Dan Kwartler 05:09 A 5,300-year-old murder mystery - Albert Zink 05:27 What did people do before anesthesia? - Sally Frampton 33:03 Why Some Designs Are Impossible to Improve: Quintessence 05:49 Why can't you put metal in a microwave? - Aaron Slepkov 20:44 The Man Who Killed Millions and Saved Billions (Clean Version) 08:35 Why you don’t hear about the ozone layer anymore 49:57 The Deadliest Infectious Disease of All Time | Crash Course Lecture 05:43 Why is Texas hold 'em so popular? - James McManus 05:32 The science of laughter - Sasha Winkler 05:25 Why did Megalodon go extinct? - Jack Cooper and Catalina Pimiento 05:20 The true story behind the legend of the 47 Rōnin - Adam Clulow 05:35 How humanity got hooked on coffee - Jonathan Morris 05:23 This person isn't actually screaming - Noah Charney 05:20 Does math have a major flaw? - Jacqueline Doan and Alex Kazachek 06:09 How to increase your happiness 06:44 The Nazis recruited to win the Cold War - Brian Crim Similar videos 01:00 How do gas masks actually work? 04:14 How Does Tear Gas Work? 06:12 You’re Using Disinfectants Wrong. Here’s What You Actually Need to Do. 05:53 வாயு முகமூடி மர்மம் உடைகிறது! 04:43 The world’s most dangerous fart - Nick Caruso and Dani Rabaiotti 07:39 How Does Sunscreen Work? Can it Really Prevent Wrinkles and Cancer? 06:32 How Oxygen Masks Brought Down a Plane 07:40 How Does Carbon Capture Work? 07:37 I Created an Oil Spill in My House 05:59 Can Soap REALLY "Kill" the Coronavirus? 04:32 The chemistry of cold packs - John Pollard 03:14 Freezing water expands. What if you don't let it? 05:26 How does alcohol make you drunk? - Judy Grisel 08:32 We Made Pop Rocks at Home with Science 02:20 The Birth of Chemotherapy 13:13 The Great MOLASSES Flood of 1919 09:13 How Do We Demo a Building Without Exploding Everything Around It? 14:58 Challenger: The Real Story of an Avoidable Disaster More results