How did America build so many Liberty ships in World War 2? They could build so many because of the way the ships were built, new technologies, their infrastructure, and their resources. Liberty ships were cargo ships that were built by the United States during World War 2. They were originally designed by J. L. […]
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What is the Ides of March? It is the 74th day of the Roman calendar, which is March 15th. When we think about the Ides of March, we imagine that it is a cursed and dangerous day. In actual fact, ides was just a name for a day and there was nothing special about it.
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When was the first drone? The first real drone was built in 1917 to counter German bombers or to deliver bombs. Drones are technically known as unmanned aerial vehicles (UAV) and drone is more of a nickname. They became known as drones in 1946, but the name came from one of the first successful drones
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How did Israel end up where it is? The British government had the idea to create a Jewish homeland roughly where the Land of Israel used to be. To do that, they had to break up Palestine. The UN adopted the plan and Israel declared statehood on May 14th, 1948. The name “Israel” was chosen
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What are the Queensberry rules? They are the rules for boxing published in 1867 and endorsed by the 9th Marquess of Queensberry. People have fought each other for as long as there have been people. Over time, fighting turned into a sport. The Romans had their gladiators and many other societies turned out in their
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What caused the Great Depression? There are many causes. Some of them are the investment bubble, the Wall Street Crash, the credit boom, the collapse of world trade due to the Smoot-Hawley Tariff, bank failures, and the gold standard. Let’s look at these. First, what exactly was the Great Depression? In begin in 1929, the
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Who painted the Isleworth Mona Lisa? This is a difficult question. It is either completely painted by Leonardo da Vinci, partially painted by him, or not painted by him at all, depending on what expert is asked. However, it does appear unlikely that this painting is by da Vinci. Let’s try and break it down.
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What was the Great Stink? It happened in Central London during June and August 1858, when the smell of the River Thames was unbearable. The city of London grew up at the point where the River Thames was narrow enough to bridge. There was a ford across the river before the first bridge was ever
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During his career, Maurice Hilleman developed over 40 vaccinations. It is thought that his vaccinations save over 8 million lives every year. However, he was not interested in making a name for himself, only that his vaccines helped people. For this reason, despite having received his vaccines, very few people have ever heard of him.
#859 Maurice Hilleman – microbiologist specializing in vaccinology. Read More »
Christiaan Huygens was a mathematician, physicist, engineer, astronomer, and inventor. He was responsible for many discoveries during his lifetime. He discovered a new way to make more accurate telescope lenses by grinding and polishing them differently, and he used those lenses to find the first moon of Saturn, Titan, and to observe the true shape
#846 Christiaan Huygens – inventor of the pendulum clock and the balance spring. Read More »
