Ex-NASA Engineer Fills A Pool With Jell-OBy Harvey Shepherd / May 31, 2019 13. Thermodynamics youtube.com/Mark Rober Even though Mark used to be an engineer for NASA, he still knew a thing or two about thermodynamics and this helped him figure out the perfect boiling and freezing temperatures for the jell-o. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
