54
M. Mitchel Waldrop. The Dream Machine: J.C.R. Licklider and the Revolution that Made Computing Personal (New York: Viking, 2001).
55
Reinhard Schrieber and Herbert Gareis. Gelatine Handbook: Theory and Industrial Practice (Weinheim: Wiley-VCH, 2007).
56
Mark Forsyth. The Etymologicon: A Circular Stroll through the Hidden Connections of the English Language (New York: Berkley Books, 2012).
57
Colin Fraser. Harry Ferguson: Inventor & Pioneer (Ipswich: Old Pond Publishing Ltd, 1972).
58
Alec Foege. The Tinkerers: The Amateurs, DIYers, and Inventors Who Make America Great (New York: Basic Books, 2013).
59
Stephen Witt. How Music Got Free (New York: Penguin Books, 2015), p. 130.
60
Helen Shen. See-Through Brains Clarify Connections. Nature 496, no. 7444 (2013): p. 151, accessed August 20, 2015, .
61
A. Lazaris et al. Spider Silk Fibers Spun from Soluble Recombinant Silk Produced in Mammalian Cells. Science 295, no. 5554 (2002): pp. 472–476, .
