A two-masted sailing vessel is commonly known as a ketch or a brig. The term was also used as shorthand for brigantine in the 1700s, but the ships eventually had different specifications that led to the specific use of the word "brig." Other names also include yawl and schooner.Know More
Brigs were two-masted ships with square sails on both masts, developed as a variant of brigantines. They had fore-and-aft boom-sails on the rear mast. These types of ships belong to a larger category of sea vessels called "tall ships".
Brigs were commonly used as warships, and were favored by pirates due to their maneuverability and fast speed. They were capable of carrying 10 to 18 guns, and were used in many naval battles, such as the Battle of Lake Erie between the British and America.Learn more about Vehicles
The Chunnel, formally known as the Channel Tunnel, connects the countries of Great Britain and France. More specifically, it links Folkestone, Kent, with Coquelles, Pas-de-Calais, via the Strait of Dover underneath the English Channel. The Chunnel is a rail tunnel that is 50.5 kilometers, or 31.4 miles, long.Full Answer >
The protective protein coat of a virus, known as a viral capsid, covers the nucleic acid inside the virus and protects it while the virus inserts itself into the host. The capsid proteins help the virus attach to and penetrate into host cells in order to infect the host.Full Answer >
The two types of bone tissue, also known as osseous tissue, are spongy and compact. Compact bone is dense, smooth and defines the exterior shapes of bones. Spongy bone has an asymmetrical, honeycomb-like structure that lines the longer bones and fills the bulky areas of bones.Full Answer >
The two major systems of measurement in use in the world are the U.S. Customary System of measurement and the International System of Units, commonly known as the metric system. The majority of the world uses the metric measuring system.Full Answer >