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Rubber
The Allies developed synthetic rubber when the Axis powers controlled much of the natural rubber in the South Pacific. -
bomb
World War II saw the invention of many new types of bombs -
Pressurized cabins
Flying at high altitudes was not only uncomfortably cold but dangerous. The high altitudes could result in sickness and hypoxia, which is a lack of oxygen in the blood. -
Secret Codes
In order to keep communications secret, both sides developed their own secret codes. -
Helicopters
The Germans developed a single seat helicopter for reconnaissance and ferrying small items between ships. -
Jet engine
Dr. Hans von Ohain and Sir Frank Whittle share credit for the development of the jet engine even though they worked independently of one another. -
Start of the war
German invesion of poland. japanese attack in Pearl harbor that involved the USA -
The false war
started with the surrender of Poland and ended with the German invsaion of belgium, netherlands, luxembourg, france -
health
Canadian researchers carried out studies on seasickness and motion sickness. This research led to the development of drugs to help cope with these ailments -
The fall of France and the Battle of Brittany
During this phase, the military situation of the Allies deteriorated rapidly in continental Europe with the surrender of the Netherlands and Belgium before the end of May and the British evacuation of France in Dunkirk between May 27 and June 4. this ended on May 1940 to October 1940 -
German army entered Paris
On June 14 and France signed an armistice on June 22, while Italy declared war on the Allies on June 10. -
The soviet union invasion by hitler
In mid-August the German army was in Leningrad. -
Pearl Harbor
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Penicillin
World War II also saw advances in medical technology. Penicillin was not invented during the war, but it was first mass produced during the war, the key to making it available to millions of people (during World War II it was mostly used to treat the venereal diseases gonorrhea and syphilis, which had been the scourge of armies for thousands of years). -
V2 missiles
Part of the reason for the development of radar was because of Germany’s development of missiles. Called “Vergeltungswaffe 2” in German and “Vengeance rockets” in popular parlance, these missiles were the world’s first long-range ballistic missiles. -
Japanese launched their first bomb attack
February 19, the Japanese had also launched their first bomb attack on Darwin and US forces under MacArthur left the Philippines on February 22. -
Aircraft
The air force became one of the most important parts of the military during World War II. Whoever had control of the air, often won the battle on the ground. -
The german surrende to the Russians
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Food
The science of nutrition expanded greatly during WWII. In the United States, scientists worked to identify which vitamins and minerals were most essential to a healthy body and in what amounts. -
Germs surrender
France and netherlands are liberated -
scientific discovery 1
Radar: Canadian scientists developed the Plan Position Indicator, still in use today. -
Hitler commited suicide
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Hirashima bomb
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Japan surrended