Swinging Pendulums and Atomic Clocks

Ever wonder how time is kept?

Modern society has brought humanity to a place where we take so much for granted. Look at keeping time, something that is today ubiquitous was a luxury for the privileged classes in days gone by. The large clock hanging on the wall, keeping time with the power of a tightly coiled spring and pendulum was as amazing in the 18^th and 19^th century as the sma…