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 ...
Irish physicist, astronomer, and mathematician Sir William Rowan Hamilton introduced quaternions, a non-commutative extension of complex numbers, on October 16, 1843. Benjamin Olinde Rodrigues had ...
Analysis: William Rowan Hamilton's discovery of quaternions in Cabra played a revolutionary role in many of NASA's space missions When Dublin mathematician William Rowan Hamilton conjured up the ...