Ghost looks more like a spacecraft than a seaborne combat vessel. It’s waiting for us in the Piscataqua River, a few minutes out from its home at the Portsmouth Naval Shipyard in Kittery, Maine. As we approach in a small chase boat, I get a full view of the cabin–sharp and angular like a stealth fighter–looming over the dark water.
As you fall feet first across an event horizon—the point where nothing can escape the black hole’s gravitational pull—you don’t feel anything change. But eventually, gravity is so much stronger at your feet than your head that you’re stretched apart, like Play-Doh, until you snap. Or at least, that’s the picture physicists drew after Einstein proposed his theory of general relativity in 1915. In the past few years, new possibilities for your untimely end have emerged.
Hurtling fastball, after curveball, after slider puts incredible strain on a pitcher’s arm, which, over time, can cause painful tears in the ulnar collateral ligament (UCL).