Making a GOOGOL:1 Reduction with Lego Gears,Science & Technology,lego technic,gear ratio,gear down,gear reduction,math,exponential,googol,Building a long gear train using 186 Lego gears. Many different types of Lego gears are used. Enjoy! Inspired by Daniel de Bruin's "universe's biggest gear
http://joyreactor.cc/post/1824334
http://joyreactor.cc/post/2460107
Конечно не нашел, боянометр только совсем дубликаты видит.