When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I bought a button that read, “186,282 miles/second: Not just a good idea, it’s the law.” It was poking ...

Your high school physics teacher wasn’t lying-nothing with mass can outrun light. But scientists at Technion just proved that “darkness” itself doesn’t follow those rules. They’ve confirmed that ...