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Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight...

Sail rigs A sail is a tensile structure, which is made from fabric or other membrane materials, that uses wind power to propel sailing craft, including...

vessels Sail components include the features that define a sail's shape and function, plus its constituent parts from which it is manufactured. A sail may...

of sail is a sailing craft's direction of travel under sail in relation to the true wind direction over the surface. The principal points of sail roughly...

powered by their sails. Sails are found in different forms, from primitive common sails to the advanced patent sails. The jib sail is found in Mediterranean...

Sailing craft and their rigs Sailing employs the wind—acting on sails, wingsails or kites—to propel a craft on the surface of the water (sailing ship...

The Age of Sail is a period that lasted at the latest from the mid-16th (or mid-15th) to the mid-19th centuries, in which the dominance of sailing ships...

would send young naval officer candidates to sea (e.g., see Outward Bound), sail training provides an unconventional and effective way of building many useful...

Sail plans A sailing ship is a sea-going vessel that uses sails mounted on masts to harness the power of wind and propel the vessel. There is a variety...

Forces on sails result from movement of air that interacts with sails and gives them motive power for sailing craft, including sailing ships, sailboats...

gaff-rigged fore-and-aft sail set from, and aft of, the aftmost mast. Spankers are also called driver, jigger, and a pusher sail. On a schooner of four...

Oliver "Oli" Sail is a New Zealand professional footballer who plays as a goalkeeper for Perth Glory in the A-League. He also has represented the New Zealand...

A magnetic sail is a proposed method of spacecraft propulsion where an onboard magnetic field source interacts with a plasma wind (e.g., the solar wind)...

A genoa sail is a type of large jib or staysail that extends past the mast and so overlaps the main sail when viewed from the side, sometimes eliminating...

SAIL, the Stanford Artificial Intelligence Language, was developed by Dan Swinehart and Bob Sproull of the Stanford AI Lab. It was originally a large ALGOL...

SailGP is an international sailing competition that features high-performance F50 foiling catamarans, where teams compete across a season of multiple grands...

A sail-by salute (or near-shore salute) is a salute performed by bringing a ship close to shore to salute those on land. Often the salute is performed...

two spacecraft — LightSail 1 and LightSail 2. LightSail 1 was an engineering demonstration mission designed to test its new sail deployment method in space...

a topgallant sail (topgallant alone pronounced "t'gallant", topgallant sail pronounced "t'garns'l", is the square-rigged sail or sails immediately above...

"Sail On" is a Commodores song written by Lionel Richie from their 1979 album Midnight Magic. Released as the first of three singles from the album, it...