Top 10 technical innovations of World War 2
Posted on 5 Aug 2011 at 11:38, by Expert Reviews Staff
The greatest innovations of World War II - and how they changed the technology we use today
Saying that World War II completely changed the world always sounds like either a massive understatement or a trivialisation of the entire conflict; but, the simple fact is that the war really did change everything, including ushering in a new technological age.
While the inventions and technological improvements of this war can never be justified against the appalling loss of life, World War II completely shaped the technological world that we live in now. Without this conflict, we simply would not have access to the wide range of technology that we use on a daily basis.
With the war encompassing vast chunks of the globe, the stakes were incredibly high. It's against this backdrop that governments put vast sums of money into the research and development of technology to help them win the war.
World War II saw projects being green lit that in peacetime wouldn’t have gotten off the ground. It also made people think in a completely different way, coming up with inventions that simply wouldn't have happened at the same pace in peace time.
While the ultimate aim of any research was to find better ways of destroying the enemy, post-war lots of inventions have proved just as effective at improving lives. To give just a quick preview of what's to come, jet engines, computers, navigation systems, microwave ovens and the technology to put man on the moon all came from technology invented or rapidly improved upon during the war.
It's this that we're looking at in this feature, as we examine how technology used during the war has developed over the 70 years since it began. From this feature you'll see how this period has seen the biggest technological leap forward that the world has ever seen, shaping the lives that we all live today.
10. THE JERRYCAN
Called the Wehrmachtskanister by the Germans, the Jerrycan is a robust container designed for carrying fuel around. It was invented at the bequest of Hitler to provide a way of transporting fuel by hand. The clever design was reverse engineered by the Allies and put into service to replace their existing canisters, which were easy to puncture.
The Jerrycan is clever for several reasons. First, it has three handles, which lets a can be carried by one person or two people easily, plus passed along a human chain like a bucket full of water for putting out a fire. When empty, the three handles means two cans can be placed side-by-side and one person can carry two Jerrycans in each hand.
The cross design on the side helps strengthen the can, while allowing the contents to expand. There was also an air pocket under the handles. A cam lever release mechanism and short spout with an air-pipe to the air pocket allows smooth and accurate pouring on the contents.
9. PRESSURISED CABINS
Flying at high altitude puts occupants of an aircraft at risk of hypoxia (poor oxygen levels in the blood), altitude sickness, decompression sickness and barotrauma (cause by pressure differences). Despite these risks, bombers at the start of WWII were only equipped with oxygen masks, which restricted movement and were prone to failure.
Until the B-29 Superfortress was introduced in 1944, only experimental aircraft had been produced with pressurized cabins. For this plane, the Americans created the first cabin pressure system, with the nose and cockpit sections linked to the aft via a long tunnel, all pressurised. However, the bomb bays remained unpressurised. Even so, this advancement meant the crew could move around in comparative comfort.
After the war, the benefits of pressurised cabins were rolled out to passenger planes, allowing us all to fly at high altitudes in relative comfort.
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