The battle of two clocks
The birth of the leap second
When a second broke the internet
Time to say goodbye
YOUR GOAL
Master of The rise and fall of the leap second
sonia The Battle of Two Clocks
No more leap seconds, no more leap seconds, we'll let the planet drift.
sonia Earth's irregular rotation challenges the traditional measurement of astronomical time.
sonia Glitching digital readouts display the 23:59:60 leap second alongside a flickering oscilloscope wave.
sonia A glitched digital clock shows 23:59:60 beside a rotating Earth and misaligned gears.
sonia Tap to insert leap seconds to discover how global clocks match Earth's rotation.
Cesium clock accuracy: A modern strontium atomic clock is so precise that it would lose less than one second if it ran for 15 billion years.
Which organization is responsible for tracking Earth's rotation and deciding on time adjustments?
What element's atomic vibrations are used to define the international standard for a second?
Which of these acts as a natural brake on Earth's rotation, slowly lengthening our days?