To a nonmathematician, having the letter “i” represent a number that does not quite exist and is “imaginary” can be hard to wrap your head around. If you open your mind to this way of thinking, ...

The original version of this story appeared in Quanta Magazine. Sometimes mathematicians try to tackle a problem head on, and sometimes they come at it sideways. That’s especially true when the ...

Tim Harford talks to authors Chip Heath and Karla Starr about their book ‘Making Numbers Count’, exploring how we can better explain complex numbers to the public. Show more Have you ever looked at a ...