Imaginary numbers are what you get when you take the square root of a negative number, ... When you add imaginary numbers and real numbers, the two form complex numbers, ...

If the product of the two numbers is positive, they must have the same sign, and since their sum is positive, this means they must both be positive. But if two positive numbers add up to 3, they must ...

Imaginary numbers, also called complex numbers, are used in real-life applications, such as electricity, as well as quadratic equations.In quadratic planes, imaginary numbers show up in equations ...

Imaginary numbers might seem like unicorns and goblins — interesting but irrelevant to reality. ... Please subscribe to Science News and add $16 to expand science literacy and understanding.

Imaginary time is measured in imaginary numbers and unlike real time, it can move backwards and forwards like an extra spatial dimension. Apparently, this gives the Big Bang something to start ...