Why Do Planes Fly in a Curve and Not a Straight Line to Their Destination? A Boeing 747 burns over 10 tonnes of fuel every hour and much more when it is climbing up to...
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What Does Bee-line Mean? The phrase is American and all the early citations of it come from the USA. The phrase derives from the behavior of bees. To make a bee-line is...
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How Are Peppermint Sticks Made? To make peppermint candy sticks, sugar and other candy ingredients are cooked in a big pot, then poured onto a table. There the candy...
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Believe it or not, nobody steers a train. The wheels of a train and its rails work together to steer the train. The wheels of a train have a special shape. Each one has...
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Tails may look funny. But they can be very important. If you look at all the animals that have tail and the ways they use them, it’s clear that tail can and do serve...
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