The year is 1931. One-wheel motorcycle (invented by Italian M. G. de Udine). Max. speed: 150 km/hour (93 mph). pic.twitter.com/pJIZMCtxk7 — Cliff Pickover (@pickover) January 1, 2021
The year is 1931. One-wheel motorcycle (invented by Italian M. G. de Udine). Max. speed: 150 km/hour (93 mph). pic.twitter.com/pJIZMCtxk7
— Cliff Pickover (@pickover) January 1, 2021