No, I ‘m not debating it. Yeah I’ve heard that since I was a kid. One of those “hey did you know?” things. I’d just shrug my shoulders either way. But as it’s coming up again, I figured I’d find the source. Written in the 1940s, republished every few years since. Respected historian but does this claim have teeth? Dark skin’s a known fact but most historians say it’s from small pox scarring. https://www.amazon.com/Sex-Race-Negro-Caucasian-Mixing-Opposition/dp/0819575097

No, I ‘m not
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Molecular planetary gearsets – van der waals research (part of my stick slip interest) Wireframe display mode, VDW shading, VDW lines and kinetic energy shading Source: http://mw.concord.org/modeler1.3/mirror/nano/planetarygear.htm Common planetary gearsets are composed of three components: the sun gear, the planet gears (and the planet carrier to which the planet gears are fixed), and the ring gear. Each of these components can be input, output, or fixed. The gear ratio, which is the ratio of the rotation speeds of the input and output component, is determined by the setting of these components and the number of teeth of the sun and ring gear: When Input=S, Output=C, Stationary=R, gear ratio = 1 + r / s; When Input=S, Output=R, Stationary=C, gear ratio = – r / s; When Input=C, Output=R, Stationary=S, gear ratio = r / ( r + s ); where r is the number of teeth of the ring gear and s is the number of teeth of the sun gear. If the ratio is greater than 1, it is a reduction (the output component rotates more slowly than the input one). Otherwise, it is an overdrive (the output component rotates more quickly than the input one).

Molecular planetary gearsets –
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