A Spanish engineer and aeronautical pioneer, Juan de la Cierva, developed the original “autogiro”. Its name was derived from the self stabilization accomplished by a four-bladed horizontal screw turned by wind produced in the sky. In addition to the nam…
The invention of individual diving suits in the early 18th century allowed a more refined exploration of the ocean depths. The initial drive for the creation of diving suits was to aid salvage missions, at a time when many ships (carrying many treasures) w…
The R100 airship was built as part of a British government programme to develop airships to provide passenger and mail transport between Britain and the countries of the British Empire, including India, Australia and Canada. Originally, it was proposed tha…
Early electric cars found a lucrative market for driving around cities. Rechargeable batteries that provided a viable means for storing electricity on board a vehicle did not come into being until 1859, with the invention of the lead–acid battery by French…
In 1949, Victor Hoeflich held a press conference to introduce the "Man from Mars, Radio Hat". Hoeflich knew a picture would tell the story so he had several teenagers modeling the radio hats for the reporters and photographers. Soon pictures and news stori…
The history of proto mobile phones goes back to 1908 when a US Patent was issued in Kentucky for a wireless telephone. Mobile phones were invented as early as the 1940s when engineers working at AT&T developed cells for mobile phone base stations. The …
Ever since the car was invented, man has dreamt of taking it to the skies. The idea of a flying machine that one can drive dates back further to the nineteenth century—the concept was first patented in 1910. Engineers returned to again and again to the con…
From the days of catapults and trebuchets, military men have dreamed of the ultimate weapon that could smash an enemy’s wall, castle, or defensive stronghold. For a span of eighty-five years, that weapon was the railroad gun, large enough to do substantial…
It is a well-known fact that a cat which is falling upside down, has the ability to turn its body mid-air so that it lands on its feet. In past, many scientists such as George Gabriel Stokes, James Clerk Maxwell, and Étienne-Jules Marey had shown great int…
The history of airships begins, like the history of hot air balloons, in France. After the invention of the hot air balloon in 1783, a French officer named Meusnier envisioned an airship that utilized the design of the hot air balloon, but was able to be n…
World War I was one of the defining events of the 20th century. From 1914 to 1918 conflict raged in much of the world and involved most of Europe, the United States, and much of the Middle East. In terms of technological history, World War I is significant…
Until the atomic bomb could be tested, doubt would remain about its effectiveness. The world had never seen a nuclear explosion before, and estimates varied widely on how much energy would be released. Some scientists at Los Alamos continued privately to hav…
In 1973, the US Army started testing possible designs for an anti-tank grenade. Commanders in Europe had asked for some sort of ordnance for destroying tanks in close quarters. If Warsaw Pact troops had invaded, NATO soldiers could have found themselves taki…
What use is an inflatable dummy tank in a very real war? A lot, if the enemy believes that it’s real. During World War I, Allied forces made use of dummy versions of the British heavy tanks. These were constructed from a wooden framework and covered with p…
Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two football fields are long. Each spillway, designed to let floodwaters pass without harming the dam itself, can handle …
In the early 1930s, the German military began seeking out new weapons which would not violate the terms of the Treaty of Versailles. Assigned to aid in this cause, Captain Walter Dornberger, an artilleryman by trade, was ordered to investigate the feasibil…
In 1889, Paris hosted an Exposition Universelle (World’s Fair) to mark the 100-year anniversary of the French Revolution. More than 100 artists submitted competing plans for a monument to be built on the Champ-de-Mars, located in central Paris, and serve as …
A British splatter mask worn by a French tank gunner, it was designed to help protect the crewmember's face from shrapnel when looking through the view ports. The eye covers were metal, the mask was leather and there was a chainmail skirt to cover the mout…
The development of nuclear artillery was part of a broad push by nuclear weapons countries to develop nuclear weapons which could be used tactically against enemy armies in the field (as opposed to strategic uses against cities, military bases, and heavy i…
Acoustic location was used from mid-WW1 to the early years of WW2 for the passive detection of aircraft by picking up the noise of the engines. Passive acoustic location involves the detection of sound or vibration created by the object being detected, whi…