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Ep. 383: Approaches to Absolute Zero

The coldest possible theoretical temperature is Absolute Zero, this is the point at which no further energy can be extracted from a system. How are physicists working to get as close as possible to this extreme cold? Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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Ep. 336: Units of Measure

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? Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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