How a team of climbers designed a gravity-defying boulder for a new Olympic sport

Most of us have seen enough basketball courts, lap pools, and race tracks to know how athletes are supposed to move on each surface. But what about a gravity-defying boulder? Having made its debut at Tokyo 2020, sport climbing is a relatively new kid on the Olympic block. But it is back at the Paris Olympics with an even wilder boulder (for better or worse named Titan). Titan is a near 15-foot tall wall covered with jagged, colorful shapes that are scattered  across the surface in four...