Deluged by responses to his request for your favourite units, Robert P Crease discovers that non-SI units persist, and are sometimes even popular, among the physics community Setting the standard ...
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Introduction to units and unit conversions

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...
For scientists, the story of metrology has a simple plot: to ensure that standards keep improving. The pound of Imperial France made way for the platinum Kilogram of the Archives in 1799. In 1889 it ...