
Blink and you missed it, quite literally. Today, Earth spun faster than usual, racing through one of its shortest days since records began and trimming more than a millisecond off the clock. It was the third shortest day of the summer, yet almost no one noticed.
The planet's latest sprint ended about 1.3 milliseconds quicker than normal. To us, nothing felt different as alarms went off, traffic jams formed and coffee cups emptied as usual, but scientists say this tiny time loss is a sign of a strange and accelerating twist in Earth's rotation.