What is a submarine escape system? A submarine escape system is basically a modified deep-sea diving suit with an air supply and a life raft attached. There are also diving bells that can be lowered from the surface to rescue trapped sailors. The problem with any kind of submarine escape system is that it […]
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How does an icebreaker ship work? Icebreaker ships work by driving their bow up onto the ice and then using their weight to crush the ice. They don’t just smash straight through it. Icebreakers are not regular ships. They need several special features. They need a strengthened hull, they need to have a unique shape,
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Why does water need to be softened? Water needs to be softened to remove minerals, such as calcium and magnesium, which build up and clog taps and water supply systems. Depending on where you live, you may or may not need a water softener. This is because of the geology and the rocks that the
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What is a seiche? A seiche is a standing wave that rocks back and forth in an enclosed body of water, similar to a pendulum. Most waves are caused by the wind. The wind pushes across the surface of a body of water and picks up water, pushing it across the body of water. If
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Was there an intelligent civilization on Earth before us? There almost certainly was not an intelligent civilization on Earth before us. They would have left signs that could not be mistaken. The thought that an ancient civilization might have existed on Earth is called the Silurian hypothesis, named after such a species that exist in
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How did Bubble Wrap start? Bubble Wrap began as a type of wallpaper. We see Bubble Wrap fairly often, probably more so since Amazon has taken over our shopping. Bubble Wrap is actually a trademarked brand, and it is owned by Sealed Air Corporation, although it has become somewhat like Kleenex, Aspirin, and Kerosene, in
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How did they find the Chicxulub crater? They found the Chicxulub crater, the remains of the asteroid that wiped out the dinosaurs, when they were looking for oil. The Chicxulub crater was made when an asteroid ten kilometers in diameter hit Earth. It landed just over 66 million years ago and left a crater that
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Is a quintuple jump in figure skating possible? Technically, a quintuple jump in figure skating would be possible. It all comes down to the speed of the jump and the conservation of angular momentum. The quadruple jump is where figure skaters take off from the ice, do four complete rotations, and then land back on
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Where did the word “OK” come from? There are different theories about where “OK” came from, but it appears to have started in Boston in the 1830s, thanks to a fashion there for incorrectly abbreviating words for humorous intent. OK is probably the only word in any language that is truly universal. There are probably
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What is the glass beach in Vladivostok? It is a beach near the town of Vladivostok in Russia, which is covered in millions of rounded glass and ceramic pieces. The beach is called Steklyashka beach, and it is located 15 km northeast of Vladivostok, which is on the east coast of Russia. It is on
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