Tag «radical»

Speaking in Louisville, and a couple essays

I delivered a keynote address for the Bluegrass Bioneers on Friday, 2 November 2012. With thanks to Ben Evans for the video and also to Justin Mog and Amanda Fuller for hosting my stay in Louisville, the video is embedded below. I speak for about 30 minutes, and it’s extensive Q&A after that. The presentation …

On being a radical

You probably recognize this symbol, though you might have forgotten its name: √ When I write the symbol on the whiteboard in a class, and ask what it is, the response is invariable: “The square root.” I respond, “Yes, its function is to take the root, including the square root or any other root. But …