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Tweet by Tim Garrett (2021), showing the famous c.1990 Sidney Harris cartoon[1] wherein a grandfather is teaching is grandson about the second law of thermodynamics, which Garrett said should be included as a chapter in future first year economics textbooks.[2]

In humanities, economics (TR:680) (LH:5) (TL:685) is the study of household management and agriculture (Xenophon, 362BC), scaled up to the level of a society or country, in respect to housing, food, commodities, and the exchange of goods.[3]


The following are related quotes:

“It would be pretty cool if one day first year economics textbooks had a chapter on thermodynamics.”
— Tim Garrett (2021), “Tweet”, Aug 11[2]

End matter

See also


  1. Harris, Sidney. (c.1995). “Now, in the Second Law of Thermodynamics” (gallery: page 13, image 7).
  2. 2.0 2.1 Garrett, Tim. (2021). “Tweet”, Aug 11.
  3. Xenophon. (362BC). The Economist (translator: H.G. Dakyns) (txt). Publisher.

External links

Theta Delta ics T2.jpg