Jets and mannequin heads: Just another day at Dyson's campus
 

Ever since my teenage years, I've been fascinated by the story of how a clogged-up Hoover led Sir James Dyson on a five-year journey in which he built 5,127 prototypes and almost went bankrupt before finally coming up with the world's first bagless v...

https://www.engadget.com/2017/01/14/dyson-hq-tour/