Brad Allenby
Brad Allenby

Brad Allenby is President’s Professor of Sustainable Engineering, and Lincoln Professor of Engineering and Ethics, at Arizona State University.

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Aug. 26 2015 12:11 PM Slate Voice: “Space Invaders” Never, ever use two spaces after a period: Listen to Mike Vuolo read Farhad Manjoo’s classic takedown of an enduring typographic sin.