I ask because our tactician is having a noticeably hard time figuring out what to do. “Uh … no,” our tactician responds. “OK,” I say. “Let’s tack, then we can sort it out.” It’s not that he is doing ...

As you approach the weather mark in a crowd and sail in a progressively smaller cone of water, finding a clear lane becomes more difficult. It’s important to know what boats are ahead of you, ...

The Courant Institute's Christiana Mavroyiakoumou, above at Central Park's Conservatory Water, and the University of Michigan's Silas Alben studied how sails behave during a wide range of tacking ...