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 ...

Melvyn Bragg and his guests discuss imaginary numbers - important mathematical phenomena which provide us with useful tools for understanding the world. Show more Melvyn Bragg and his guests discuss ...

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 ...