The rest of the mostly glass-enclosed building was arched like a giant sail.

Proposed designs for solar sails have included arrays of long, thin blades likes a helicopter's and giant kite-like sails.

A simple way might be to set a giant sail, except the boat will capsize due to Fc, the capsize force.

In addition, the Russians said, the same principles could be used to erect giant sails in space that would use sunlight to propel spacecraft.

The giant sail billowed and blew forward like a ghost on the run, but the crew managed to bring it back and get underway with proper sail shape.

"I realized what I was really building was a giant sail," Mr. Kalkbrenner said.

Early on a bright summer day, a view of Clearwater's giant sails against the cliffs induces a strange serenity.

The outdoor event saw films projected onto a huge white screen, representing a giant sail, hanging over the great quarry walls of medieval Dysart harbour.

His ebon cloak trailed behind like some giant sail blown out and flapping in a gale.

She worked in the pit, which meant she lugged giant sails from below deck, and tailed for grinders working the forward winches.