Most of the boats achieving technical wonders these days have motors at their heart, even if they're completely fuel-free. Not so Vestas' Sailrocket 2, which just recently broke the 500-meter sailing speed record. A run across Namibia's Walvis Bay, just longer than the nautical mile the team wanted, saw pilot Paul Larsen officially reach a typical 54.1 knots (62.2MPH) with only wind power to carry