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Absolute Zero
It's called "Absolute Zero". Much more interesting than it sounded from the TV guides, too - some of those SBS docos are as dry as ......... [insert very dry descriptor of your choice!].
I wasn't planning on viewing it at all, but got hooked by the part about ice harvesting from frozen US lakes and ice export worldwide, before the days of compressor refrigeration. I'd heard from local history that US ice came as far as the WA goldfields, with only insulation stopping it melting - astonishing to see the old movie footage of such a large-scale, human-powered operation in action.
Definitely worth a look next week when they move further down the Kelvin scale.
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