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, ...

Imaginary numbers began as a desperate solution to equations that seemed unsolvable. In the 1500s, Italian mathematicians ...

For the first time, researchers have seen how light behaves during a mysterious phenomenon called 'imaginary time'. When you shine light through almost any transparent material, the gridlock of ...

Looking for more episodes? Find them wherever you listen to podcasts. Ryan Knutson is the co-host of The Journal, The Wall Street Journal’s flagship daily podcast. He has worked at the Journal since ...

Let the viewer = x, David Colosi writes, introducing his gloriously dense and slyly comic “proof” of God’s manmade existence. Guided by Wittgenstein’s conjecture that one could construct serious ...