It may contain inaccuracies due to the limitations of machine translation. Humanities scholar Lee Eun-soo, professor of philosophy at Seoul National University (left), and mathematician Lee Seung-jae, ...

Imaginary numbers might seem like unicorns and goblins — interesting but irrelevant to reality. But for describing matter at its roots, imaginary numbers turn out to be essential. They seem to be ...

In spite of their name, “imaginary” numbers are as real as any other numbers, especially when it comes to hunting for lost treasure. For our first Insights puzzle of 2019, let’s go on a treasure hunt.