Several years ago one of us, Toni, asked another of us, Marco, to come to his office at the Institute of Photonic Sciences, a large research center in Castelldefels near Barcelona. “There is a problem ...

In this video series, I will show you how to combine complex numbers by either subtracting or adding them together. Complex ...

In this math tutorial, I will show you how to multiply complex numbers. Complex numbers come in the form of a + bi. Multiplying complex numbers carry some of the same properties as multiplying ...

Scientists found exotic prime numbers may play a role in black hole physics, revealing a surprising connection between number theory and the extreme environments of the universe.

There are three kinds of prime numbers. The first is a solitary outlier: 2, the only even prime. After that, half the primes leave a remainder of 1 when divided by 4. The other half leave a remainder ...