An inside look at the world's largest solar-powered boat

Catamarans are fairly odd-looking boats, but earlier this week a special breed was docked at the North Cove Marina in Lower Manhattan. Alongside the typical handful of South Florida-based yachts that pop up here during the summer was an angular, flat-topped catamaran with a glistening blue deck called the MS T ranor PlanetSolar. There's a reason why this boat stands out: last year it became the first ship to circumnavigate the globe on solar power alone. The 89,000 kg (nearly 100 ton) ship needs...