Why does roulette have a 0? A roulette wheel has a 0 to increase the odds that you will lose and the house will win. A European roulette wheel and an American roulette wheel are slightly different. They both have numbers from 1 to 36, but a European wheel only has 0, while an American
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What will happen to the Milky Way in 1 trillion years time? Some or perhaps most of the galaxies in the Local Group may have merged by then, although it is no longer certain that even the Milky Way and Andromeda will merge. No stars outside of that galaxy would be visible to any beings
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What was debtors’ prison? A debtors’ prison was, as the name suggests, a prison for people who were unable to pay their debts. The majority of the world runs on the system of debt. People borrow money to pay for things they can’t afford at the time. Mortgages for houses and credit card for other
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How were black holes discovered? Black holes were theorized long before they were actually detected or seen. The first theory of a black hole was presented by John Michell in 1783. Black holes were first theorized shortly after Newton introduced his laws of gravity. It was a natural progression from these theories. Newton had proposed
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When was the first hearing aid? The first hearing aid was an ear trumpet described in 1624 by a French priest and mathematician called Jean Leurechon. These days, people with hearing loss can buy pretty advanced hearing aids that have different settings depending on the situation. They can be directional or they can cut out
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When were houses first numbered? Houses were first numbered in France in the 15th century, but they were first widely numbered through Europe for the purpose of administration and not post. Every country in the world has some system for addressing houses and buildings. The Internet has vastly reduced the amount of post that is
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What happened to Lord Lucan? Nobody knows what happened to Lord Lucan, but he probably killed himself shortly after murdering his children’s nanny and attacking his wife. Richard John Bingham was the 7th Earl of Lucan. He was also Baron Bingham, Baron Lucan, Baronet Bingham of Castlebar, and Lord Lucan. He called himself Lucky because
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What is a raglan sleeve? A raglan sleeve is a sleeve that extends all the way to the collar, with a diagonal seam from the underarm to the collarbone. It is named after Lord Raglan, who lost his arm in the Battle of Waterloo. You will almost definitely have worn a raglan sleeve at some point in your life, even
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Who discovered Richard III’s body? Richard III’s body was found by the screenwriter Philippa Langley and archaeologists from the University of Leicester. Richard III was born in 1452, and he was king from 1483 to 1485. This rule of 2 years and 57 days makes him the monarch with the shortest reign in English history, if you don’t count King Edward V
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Why did Newton invent calculus? Newton developed calculus because he needed mathematics that could deal with quantities that were continuously changing. This became enormously useful for his work on motion and gravity. If you want to know how long it will take a car to cover a certain distance, you can use algebra. We know
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