First Military Radar Experiment

The Naval Research Laboratory (NRL) in Washington, DC, USA conducted the first military radar experiment in 1922 Continue reading

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

Genetically Engineered Tobacco Plants

The U.S. Department of Agriculture approved genetically engineered high-yield tobacco plants for outdoor testing in 1986. Continue reading