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 ...

The Curious Cases team get to grips with the very real uses of imaginary numbers. Show more There is a bizarre number in maths referred to simply as ‘i’. It appears to break the rules of arithmetic - ...

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 ...