What is special about the rock in Turkey? Most of the rock in Turkey is just regular rock, but some of it is soft volcanic rock that is easy to carve and sets harder than concrete. This is not just in Turkey, but a lot of it has been found there. In Turkey, there are […]
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How does facial recognition work? There are different types, but they basically break the face down into a digital map and then compare those digital maps. It is similar to the way software like Shazam works out what a song is. All of the notes from all of the instruments are translated into a digital
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What was the problem with Concorde? Concorde was far too expensive, was not very environmentally friendly, couldn’t carry many people, and it wasn’t allowed to go supersonic over land because of the sonic boom. Concorde first flew with Air France and British Airways in 1976. The supersonic plane flew continuously for 27 years before being
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What is the Voynich manuscript? It is a 200 page, vellum codex, with hand drawn pictures. It is written in a language that no one knows or can read. The Voynich manuscript is named after a Polish bookseller called Wilfred Voynich, who bought it in 1912. Today, the book is owned by Yale University and
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What happened on the Bounty? A mutiny on the HMS Bounty was led by a sailor called Fletcher Christian. The captain and his loyal crew were set adrift in the ship’s launch. The HMS Bounty was a British merchant ship. It had been built in 1784 and entered service for the Royal Navy in 1787.
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What is the worst a sunburn can get? A sunburn is usually only a first-degree burn because it only burns the outer layer of skin. However, a third-degree sunburn is technically possible. There are different types of burn. The most common is a thermal burn, caused by heat. This is often from fire, or hot
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How do weather forecasters know how hot it will be? Weather forecasters predict how hot it will be by inputting as much meteorological data into a supercomputer as they can. They also look at patterns. They look at what the weather has done in the past. And they go on the basis that a weather
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How big was the giant sloth? The giant sloth’s scientific name is Megatherium americanum, and they were about the same size as an elephant. We are very used to the two different types of sloth that we have on Earth today. They re divided into two-toed and three-toed sloths depending on … wait for it
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How many tunnels did the Vietnamese dig? During the Vietnamese War, the North Vietnamese forces managed to dig a 400 km tunnel system that they used to hide and to attack the South Vietnamese and Americans. Tunnels have often been used as a tool of war. They weren’t often used in ancient battles, because it
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Is alchemy actually possible? With today’s technology, alchemy is technically feasible, but making a lot of gold would require more energy than is practical. These days, we associate the word alchemy with the attempt to change base metals, such as lead, into gold, so called precious metals. However, that is not what alchemy is. Alchemy
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