Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 9
Science & Medicine 21

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Ep. 336: Units of Measure

March 10th, 2014

Episode 369 of 460 episodes

How heavy is a kilogram, how long is a second? How warm is a degree? We measure our Universe is so many different ways, using different units of measurement. But how do scientists come up with measurement tools which are purely objective?

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