Real numbers are, in fact, pretty much any number that you can think of. This can include whole numbers or integers, fractions, rational numbers and irrational numbers. Real numbers can be positive or ...

Imagine winding the hour hand of a clock back from 3 o’clock to noon. Mathematicians have long known how to describe this rotation as a simple multiplication: A number representing the initial ...

I never imagined being in a position to comment on Stephen Hawking’s ideas about quantum properties of the cosmos and imaginary time. I am doing so now because your article mentions that electrical ...