S4E2 - Metaphors of how tech works-A to E of an A-Z guide Technology and the Human Purpose

In this episode we really get going with season 4. 
I am starting the season with an A to Z guide of technology through metaphors. In this show I cover A-E.
 The intro and outro music is 'fantasy orchestra' available at https://freesound.org/ . Watch out for more information and connected content with each episode on the blog https://theology-and-technology.blogspot.com/
 An Awesome introduction to metaphors. Lakoff, G.and Johnson, M. (1980) Metaphors We Live By. University of Chicago Press, Chicago.
The book Subtract I mentioned  - https://www.amazon.ca/Subtract-Untapped-Science-Leidy-Klotz/dp/1250249864
 UK population estimates are from Bank of England
 I also mentioned Tom Standage, 2005. A  History of the World in 6 Glasses.