Abstract
An analysis of how weapons have developed in the 20th century and the affect that they have had on the many wars fought in this century. It gives examples of different types of explosives, firearms, tanks, aeroplanes, submarines etc and explains how each of these has changed the character of war and battles.

From the Paper
"Wars have always varied from one era to another, and one major reason for that variance is the weaponry of that time. Strategies and weapons revolve around the technology of the time. In the Twentieth Century there were many new weapons invented, which significantly changed the ways wars that were fought. These weapons range from handheld grenades, to nuclear warheads. They also include new transportation modes such as submarines or airplanes. Each weapon affected wars, some more profoundly than others. "

Tags:weapons, mortar, grenade, armour, tank, troops, nuclear, missile, chemical, military, force, bomb, technology

Abstract
This paper describes how this system allows aircrafts to communicate and report to the ground and vice versa. It explains the processes involved, the transmitting of data on VHF frequencies that can be received and decoded. It is a digital data system in VHF (Aviation). It makes it possible for aviation companies to "communicate" and track the planes of their fleet.

From the Paper
"The Aeronautical Radio, Inc. (ARINC) maintains a huge worldwide VHF and HF voice network to provide operational radio communications for the aircraft industry. ACAR was designed and developed in the early eighties. It was produced to reduce the flight crew's workload by using modern computer technology to exchange many routine reports and messages. ACARS uses the AM mode because the same airborne VHF radio is often also used for voice communications. Burst transmissions are used with a limit of 220 characters per message. Transmissions often last less than one second."

Tags:radio, aeroplanes, control, flight, aviation, reports

Abstract
This paper examines technological disasters in the airline industry. In particular it looks at the British jet aircraft industry after the accidents. It allows us to gain insight into what people?s conceptions were, and why certain events unfolded as they did. It shows us how people can learn from technological disasters, and even though they seem catastrophic at the time, they give us the necessary tools to insure that such disasters do not happen again.

From the paper:

"The Comet planes, operated predominantly by BOAC had established Britain as both a successful pioneer and leader in civil jet aviation. However, several American companies, including Boeing, were in hot pursuit of de-Havilland, fighting for their share of the new civil jet market. ?The Comets symbolized to Britons their nation?s pre-eminence in jet aviation,? 5 and so the accidents came as a devastating blow, both in the short and long term. In the aftermath of the accidents, all Comets were grounded pending investigation, causing huge problems and losses."

Tags:aeroplanes, aircraft, airplanes, aviation, boac, jetliners, jets, planes