Most Relaxing Facts About Time | Fall Asleep Fast

Before there were clocks, there were shadows. Before there were calendars, there were stars. Tonight we travel the full length of human history through one of its oldest and most quietly astonishing stories — the story of how we learned to measure time. From ancient Egyptians reading the rise of Sirius to predict the Nile flood, to Galileo watching a chandelier swing in a cathedral and discovering the principle behind the pendulum clock, to the atomic clocks aboard GPS satellites keeping time to within one second every three hundred million years — this is a deep, slow, cinematic journey through the ages. One hundred facts. Thousands of years. All the time in the world to drift off.