Inventions That Made Entire Industries Panic
00:00 The Knocker-Upper’s Rude Awakening 00:52 The Elevator Operator’s Downward Slide 01:43 The Calculating Human 02:31 The Whale Oil Extinction 03:25 The Scribe’s Hand-Cramp 04:19 The Streetlight Snuff-Out 05:16 The Great Horse Poop Crisis 06:29 The Ice King’s Meltdown 07:30 The Death of the Traveling Salesman 08:30 The Humble Mason Jar 09:46 Cast Iron Skillets 10:55 The Disposable Camera 12:08 Old-School "Work" Boots 12:55 Thrift Store Finds 14:03 Blank Journals 14:48 Standard Plywood 15:33 The "Aesthetic" Cleaning Supply 16:23 Brilliant Inventions That Were Banned for Being Too Effective 31:36 Famous Historical Characters That Turned Out to Be Completely Fake 48:21 Creepy Historical Mistakes We’re Still Repeating
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