Let’s go sub-zero with fascinating fast facts about liquid nitrogen, a deep dive into how people use liquid nitrogen, a question about the safety of liquid nitrogen, some ideas about how cryogenic liquids are made, and a chilling experiment for you to try yourself at home.
Presented by Jenny Lynch and Matilda Sercombe. Written and produced by Jenny Lynch. Music by Purple Planet Music. Sound effects by Pixabay.
https://www.creativescience.com.au
Episode content:
00:00 Introduction and fast facts
02:53 Uses for liquid nitrogen
04:25 How dangerous is liquid nitrogen?
06:33 Making liquid nitrogen, the temperatures of other cryogenic liquids
08:47 Frozen lettuce activity
You will need two fresh lettuce leaves, a fridge and freezer, and a plate.
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