Cooling with Sound Waves

This chapter explores the concept of using sound waves for refrigeration and cooling. It discusses the use of dilution refrigeration and the thermal conductivity of LEGO bricks. It also introduces the idea of using sound waves instead of electric pumps for cooling in refrigerators.

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In this not-so-chill episode, everybody gets a little unsettled by the concepts around refrigeration. Quantum computers, thermoacoustics, molecular chemistry, elephants, the phantom letter "d" that gets added to the shortening of refrigeration...it's all just. So much.

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[This or That: Fridge or Not Fridge]

Ballpoint-pen-sized device with twisted nickel-titanium and water

Credit-card-sized device plugged into your phone with lithium bromide

Two large metal balls with ammonia and water

[Trivia Question]

Frigidaire had an elephant stand on their refrigerator as a strength test

https://www.mentalfloss.com/article/75945/15-icy-cool-facts-about-refrigeration

https://www.coloradohistoricnewspapers.org/cgi-bin/colorado?a=d&d=STP19390511.2.109&e=-------en-20--1--img-txIN%7ctxCO%7ctxTA--------0------

[Fact Off]