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Third derivative of position

#math #physics | Since force (F = ma) is the rate of increase of momentum (p, symbol clashes with pop), perhaps we might want to name higher derivatives of force. So far, yank (symbol Y) has been suggested for rate of increase of force, tug (symbol T) for rate of increase of yank, snatch (symbol S) for rate of increase of tug, and shake (symbol Sh) for rate of increase of snatch. Needless to say, none of these are in any kind of standards, yet. We just made them up on usenet.

2 years ago | View Shared by tei
Ben Bartlett on Twitter: "We’re both huge nerds and I wanted to do something unique for the proposal, so I designed this hexagonal mirror thingy. The mirrors are angled so that just before sunset on our 8th anniversary, it reflects the light from the se

#physics | Guy who designed hexagonal mirror for proposal

2 years ago | View Shared by tei