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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Morse code was developed by Samuel Morse and Alfred Vail in the 1830s. Morse came up with an early system that used numbers and a codebook, while Vail appears to have played an important role in developing the much simpler system that used different combinations of signals for individual letters. Exactly how much each man
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Alfred Wegener realized that all of the continents had once been joined together, but he could not explain how they could move. It took the mapping of the ocean floor during and after World War 2, followed by the discovery of strange magnetic patterns in the seabed, for scientists to finally work out what was
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Was the Charge of the Light Brigade real? The Charge of the Light Brigade did really happen. It was during the Battle of Balaklava in the Crimean War. It happened on 25 October 1854. The Charge of the Light Brigade was made famous by Alfred, Lord Tennyson’s poem of the same name. It was a
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Who was Otzi the Iceman? Otzi was a man who lived in the area where the Austrian Italian border is today in roughly 3250 BC. Otzi the Iceman was found in 1991 by two German tourists called Helmut and Erika Simon. They saw the top part of his body sticking out of ice. An unusually
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What are solar prominences? Solar prominence is a large, bright structure of plasma that follows magnetic fields and loops out from the surface of the sun. You may have seen images of solar prominence when you look at pictures of the sun. They are long twisting swirls that loop out from the sun and usually
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Why is tooth enamel so hard? Tooth enamel is so hard because it is made of about 96% minerals, which is more than anything else in the human body. Enamel is the thin layer that sits on top of our teeth. A tooth is made up of layers, and the job of enamel is to
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Why did Britain start the Opium Wars with China? Britain started the Opium Wars with China to force China into a trading and diplomatic system that was favorable with British interests. There are two basic causes of the First Opium War, which started in 1839 and lasted until 1842, but its causes go back at
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