Earth’s changing spin is threatening to toy with our sense of time, clocks, and computerized society in an unprecedented way—but only for a second.
For the first time in history, world timekeepers may have to consider subtracting a second from our clocks in a few years because the planet is rotating a tad faster than it used to. Clocks may have to skip a second—called a “negative leap second”—around 2029, a study in the journal Nature said Wednesday.
