Functioning 'mechanical gears' seen in nature for the first time
Por um escritor misterioso
Descrição
Spontaneous jump of a nymph viewed from the side. The images were captured at a rate of 5,000 images s-1 and with an exposure time of 0.03 ms and are replayed at 30 frames s-1 . Credit: Malcolm Burrows
Springdrive Grand Seiko
Gear - Wikipedia
The Oscillating Weight: What It Is And How It Works - IWS
Watch, History, Design & Functionality
Mechanical gears found in nature
This Insect Has The Only Mechanical Gears Ever Found in Nature, Science
Functioning 'mechanical gears' seen in nature for the first time
Working Gears Evolved in Plant-Hopping Insect - by Scientific American
The Missing Chinese Mechanical Clocks, by Erik Engheim
Pinion Gearbox Review: A True Bike Transmission!
de
por adulto (o preço varia de acordo com o tamanho do grupo)