Joshua trees have two different types of roots: (1) a system of shallow roots spread out over a large area, and (2) roots about 1 meter in diameter, shaped like bulbs, that are deep in the soil. Explain the advantage of each. Explain the ways how plants pro...
The Mathematics of Secrets: Cryptography from Caesar Ciphers to Digital Encryption by Joshua Holden. Princeton University Press, 2017. A comprehensive look at how we keep information secret, from historic ciphers and today's popular forms of public-key cryptography to the likely future of quantum en...
Nuclear Power Can Save the World by Joshua S. Goldstein, Staffan A. Qvist and Steven Pinker. The New York Times, April 6, 2019. Three scientists argue the carbon-cutting case for nuclear power. A Bittersweet Milestone for the World's Safest Nuclear Reactors by Peter Fairley. IEEE Spectrum...