Noise, Medicine, and Music

Here’s what was important this week…

More than you probably ever wanted to know about refrigerators and refrigeration:

“Refrigeration is the invisible backbone on which the world’s food supply depends — and given our climate-changed forecast of more extreme weather events, it may yet prove to be its Achilles’ heel.”

Oh how I wish this had come true:

 “All mechanical fridges work by controlling the vaporisation and condensation of a liquid called a refrigerant. Most fridges today do this control with a special electric-power pump called a compressor, but there’s also the technique of absorption, which is kicked off by a gas-fuelled flame. The fridge’s hum wasn’t inevitable.” 

I have somewhat of an aversion to background humming noises, like that of a refrigerator, central air system, fluorescent lights, or washing machines.

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