Designing machines that can be driven by thermal noise is a dream for scientists. In 1912, Smoluchowski presented a gedankenexperiment consisting of an asymmetric ratchet with a pawl that could ...
(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 ...
If you're fixing a leaky pipe or working on your car's engine, you'll want to have one of these helpful sets close by.
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