Antiaircraft gun
Antiaircraft gun, artillery piece that is fired from the ground or shipboard in defense against aerial attack. Antiaircraft weapons development began as early as 1910, when the airplane first became…
Rocket and missile system
Rocket and missile system, any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly…
Airship
Airship, also called dirigible or dirigible balloon, a self-propelled lighter-than-air craft. Three main types of airships, or dirigibles (from French diriger, “to steer”), have been built: nonrigids (blimps), semirigids, and rigids. All three types have four…
Aerospace industry
Aerospace industry, assemblage of manufacturing concerns that deal with vehicular flight within and beyond Earth’s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the research,…
The Scientific Revolution
Roots of the Scientific Revolution The scientific revolution, which emphasized systematic experimentation as the most valid research method, resulted in developments in mathematics, physics, astronomy, biology, and chemistry. These developments…
History of science and technology
The history of science and technology (HST) is a field of history which examines how humanity's understanding of the natural world (science) and ability to manipulate it (technology) have changed over the centuries. This…
Biggest Milestones of Human Spaceflight
Reaching for the Stars In 1965, the Soviet Union scored yet another victory in its Cold War space race against the United States, adding to the milestones it notched with…
What will space exploration look like in the future?
Russia has proposed to extend the life of the International Space Station to 2028. The process of assembling the International Space Station (ISS) started in 1998 and was completed in…
GPS Based Voice Navigation System for Visually Impaired People
Global positioning system or GPS is a network of orbiting satellites used to locate positions anywhere in space back to earth. This kind of technology can be used in various…
How GPS System Works?
What is GPS? GPS or Global Positioning System is a satellite navigation system that furnishes location and time information in all climate conditions to the user. GPS is used for…
