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scythe
3 months ago
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Ultrasonic Chef's Knife
The sixteenth notes in "Crazy Train"[1] are nominally 552 per minute, or 9.2 Hz. Moving a knife at 10 Hz is probably very difficult. I would expect 2-3 Hz is a normal pace for a skilled knife user and 4-5 Hz is showing off.
1:
https://youtube.com/watch?v=tMDFv5m18Pw#t=0m32s
superkuh
3 months ago
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Cerebellar oscillation (in the inferior olive) gate motor control interrupt speed and are generally limited to ~10 Hz in humans.
john_minsk
3 months ago
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That escalated quickly. Thank you!
pixelfarmer
3 months ago
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Which is why humans use tech and tricks to get things done. Gravity Blast is one example:
https://www.youtube.com/watch?v=ir_KZNsTNiQ
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1: https://youtube.com/watch?v=tMDFv5m18Pw#t=0m32s