by msander | Nov 26, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
The kilogram, mole, kelvin, and ampere will be redefined by physical constants. Will this be the last video I make about SI units? Quite possibly. There’s something about being so precise and defining the systems within which science works. When we can more...
by msander | Jul 26, 2017 | Gr. 11-12 Chemistry, Gr. 11-12 Physics
I have been obsessed with measurement for a long time and I’m not sure quite how it happened. The world’s roundest object played a role in this. I guess I’m just fascinated by how difficult it is to pin down a quantity like a kilogram. A physical...
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