(Nanowerk News) The ratchet mechanism is a fascinating energy-conversion system that converts disorderly or random motion into orderly, directed movement through a process known as spontaneous ...

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Excellent addition to any tank bag! My continuing search for the perfect motorcycle tool set continues. In this case, “perfect” means excellent quality, easily carried and fairly complete. During the ...

The proposed ratchet mechanism utilizes the asymmetry in surface wettability between the smooth and rough faces of the teeth of a geometrically symmetric gear to achieve ratcheting motion. The ratchet ...