The Naval Research Laboratory (NRL) in Washington, DC, USA conducted the first military radar experiment in 1922 Continue reading
Tag: Washington
First National Geographic Issue with Holographic Cover
The National Geographic magazine published a hologram on the March 1984 edition cover Continue reading
Invention of the Monotype Typesetter
Tolbert Lanston of Washington, DC, USA invented and patented the monotype individual letter typesetter Continue reading
Samuel Pierpont Langley
Title: Samuel Pierpont Langley
Samuel Pierpont Langley (August 22, 1834 – February 27, 1906) was an American astronomer, physicist, inventor of the bolometer and aviation pioneer. Continue reading
Samuel Pierpont Langley Propelled a Steam Engine Plane
Samuel Pierpont Langley propelled a steam engine plane, Aerodrome across the Potomac River near Washington, DC, USA, on May 6, 1896. Continue reading
Seattle Builds Underground Hydroelectric Plant
First underground hydroelectric plant was built in Snoqualmie Falls Continue reading
Genetically Engineered Tobacco Plants
The U.S. Department of Agriculture approved genetically engineered high-yield tobacco plants for outdoor testing in 1986. Continue reading
Yasser Arafat
A Peace treaty between an Arab nation and Israel
Peace treaty between an Arab nation and Israel was the Camp David Accords between Israel and Egypt, signed on September 18, 1978, by Israeli prime minister Menachem Begin and Egyptian president Anwar Sadat at Camp David, near Washington, DC, USA. Continue reading
King George VI – King of England
George VI (Albert Frederick Arthur George; 14 December 1895 – 6 February 1952) was King of the United Kingdom and the Dominions of the British Commonwealth from 11 December 1936 until his death. Continue reading