Reviews In Pursuit of the Unknown: 17 Equations That Changed the World by Ian Stewart Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News May 18, 2012 at 12:42 pm The author tells the stories of 17 equations, from Maxwell’s equations that led to modern TV and radio to algorithms that rattled the stock market. Basic Books, 2012, 342 p., $26.99