In 1978, James Dyson become frustrated with his vacuum cleaner’s diminishing performance.
Taking it apart, he discovered that its bag was clogging with dust, causing suction to drop. He’d recently built an industrial cyclone tower for his factory that separates paint particle from the air using centrifugal force.
He set to work. Five years and 5,127 prototypes later, he had invented the world’s first bagless vacuum cleaner.