If standard quantum theory holds up, imaginary numbers are critical. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Imaginary numbers are ...

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 ...

It should be impossible to measure an imaginary number in the lab, but a group of researchers have found a way to do so. They produced the equivalent of a magnetic field of imaginary strength, meaning ...

William Ross does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

MARCUS DU SAUTOY:'At the heart of the mathematical world lie numbers 'They give us the power to describe, 'measure and count everything in the universe. MARCUS DU SAUTOY:'But numbers aren't always ...

In the mystic world of quantum physics, a team of Chinese scientists is proving that one of the field’s favourite imaginary tools might not be fanciful after all. Through a series of intricate ...

The 'imaginary' number shouldn't be possible, but turns out to be utterly indispensable. Rutherford and Fry wrestle with its perplexing power. Show more There is a bizarre number in maths referred to ...

To a nonmathematician, having the letter "i" represent a number that does not quite exist and is "imaginary" can be hard to ...