A Yoyo Can Spin as Fast as a Formula 1 Engine

Комплекс уроков “Электричество“ [club51080272|Проект “Научная Критика“] [club51080272|Вся правда о сверхъединичных устройствах MACHINES: HOW THEY WORK Thursdays 10/9c on Science Ten steel balls roll between the inner and outer rings within a yoyo’s shell. They work together...