See how F-16 Fighting Falcon performs a control-surface check before takeoff

Contunico © ZDF Studios GmbH, Mainz

Learn about Chile's wine industry.

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Robots competed in tennis, track-and-field, boxing, martial arts, and other sports at the World Humanoid Robot Games in Beijing.

Encyclopædia Britannica, Inc.

Brazil is the world's leading producer of coffee beans.

Encyclopædia Britannica, Inc.

The Royal Air Force fending off German bombers during the Battle of Britain in the summer of 1940.

Encyclopædia Britannica, Inc.

Learn about the Battle of Britain, between Britain's Royal Air Force and Germany's Luftwaffe, which began in July 1940. From The Second World War: Triumph of the Axis (1963), a documentary by Encyclopædia Britannica Educational Corporation.

Encyclopædia Britannica, Inc.

Learn about the origins and diversification of uncrewed aerial vehicles, or drones, from early military models to modern consumer-level devices.

NASA/Dryden Research Aircraft Movie Collection

U.S. Air Force X1-E taking off under a B-29 from Edwards Air Force Base in California, c. 1947. On Oct. 14, 1947, flying an X-1, Capt. Chuck Yeager became the first pilot to exceed the speed of sound, or break the “sound barrier.”