Hazardous History with Henry Winkler - Season 2 Episode 12 -
Insane Inventions
From personal jetpacks that promised to send us sky-high, to electrified exercise machines that shocked us into shape, to firefighting hand grenades hurled straight into the flames, yesterday's boldest inventions were packed with promise - and risks nobody saw coming. These are the ambitious ideas, futuristic gadgets, and engineering marvels that aimed to revolutionize everyday life, but sometimes overshot the mark.
Please explain the problem in a few words.
Max 255 characters.
Max 255 characters.