What Is a Leap Second Anyway, and Why Do We Use It?

6.30.15

SCIENCE What Is a Leap Second Anyway, and Why Do We Use It? The leap second adds one second to a day to keep the year and a second synced. But do we really need it? GEAR How to Keep Apple Music From Billing You After the Free Trial ENTERTAINMENT Rape Scenes Aren't Just Awful. They're Lazy Writing. BUSINESS Greece's Empty ATMs Show the Surprising Power of Cash—Even in 2015 SECURITY MIT's Bitcoin-Inspired 'Enigma' Lets Computers Mine Encrypted Data PHOTO Man Spies on a Suburban Town With Its Own Security Camera Accessing a surveillance camera, Andrew Hammerand becomes Big Brother over one small Midwestern town.

Andre Iguodala Talks Tech on and off the Court WIRED Issue Preview: All Work & All Play, With Rashida Jones Smooth Moves: Riding Insanely Fun Scooter Boards

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