Leap seconds have helped keep clocks synchronized with Earth’s rotation, but their time is now over – here’s why
Humans haven’t always counted time down to the second. mrs/Moment via Getty Images You’re probably used to the month of February having an extra day every four years, during the leap year. Timekeepers added that extra leap day because Earth completes one orbit around the Sun in about 365 and […]
Humans haven’t always counted time down to the second. mrs/Moment via Getty Images You’re probably used to the month of February having an extra day every four years, during the leap year. Timekeepers added that extra leap day because Earth completes one orbit around the Sun in about 365 and

