Scotland

Trion, a yacht recently designed by Physicist H. M. Barkla of St. Andrew's University, Scotland, has three hulls and four revolving booms to catch wind from all sides. Barkla thinks his "triscaph" will do 25 knots.

All summer long the waters off Long Island are filled with sailboats of all sizes, from the modest do-it-yourself to the majestic racing yacht