Part 27 (2/2)

100 molecules when they are cl.u.s.tered in bulk

John F. Sargent Jr., ”Nanotechnology: A Policy Primer,” Congressional Research Service, April 13, 2012, /sgp/crs/misc/RL34511.pdf.

101 resistance to stains, wrinkles, and fire

Ibid.

102 hospitals guarding against infections

”Nanotech-Enabled Consumer Products Continue to Rise,” ScienceDaily, March 13, 2011, /releases/2011/03/110310101351.htm.

103 copper emerged in numerous locations in the same era

Miljana Radivojevia et al., ”On the Origins of Extractive Metallurgy: New Evidence from Europe,” Journal of Archaeological Science, November 2010.

104 combines high temperatures and some pressurization

Richard Cowen, ”Chapter 5: The Age of Iron,” April 1999, mygeologypage.ucdavis.edu/cowen/~GEL115/115CH5.html.

105 more than 1,000 years later in Britain

”Bronze Age,” Encyclopaedia Britannica, /EBchecked/topic/81017/Bronze-Age.

106 4,500 years ago in northern Turkey

Cowen, ”Chapter 5: The Age of Iron.”

107 from which it could be made into tools and weapons

Ibid.

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