What causes rogue waves? There are many reasons why rogue waves can form but three of the most common theories are modulational instability, constructive interference, and another current. Tsunamis can be thought to be rogue waves, but they aren’t. They have a much longer wavelength. The majority of the waves in the sea are caused […]
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What is Maxwell’s Demon thought experiment? Maxwell’s Demon’s thought experiment is a theoretical way that the Second Law of Thermodynamics could be challenged. The Second Law of Thermodynamics is the law that explains entropy. It says that any system always heads from order towards disorder and the only way to get it back to order
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What is the problem with invasive species? The problem with invasive species is that the ecosystem they are invading has not evolved to deal with them, and they can cause widespread damage. Plants and animals have always managed to spread outside of their own ecosystem, but they are always controlled by the conditions or by
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Did the Hundred Years War last for a hundred years? No, the Hundred Years War didn’t last a hundred years. In fact, it lasted for 116 years. The thing we need to understand before we start talking about the Hundred Years War is that it was not one continuous war that lasted for over a
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What is the loudest animal? The loudest animal in the world is the sperm whale. An adult sperm whale can produce clicks that are 230 decibels. Sound is measured in decibels, which is a logarithmic system. A logarithmic system means that the next level is ten times higher than the previous level. So 20 dB
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Why does time slow down as you go faster? Time slows down as we go faster because our perception of time gets distorted. This all comes down to the fact that the speed of light in a vacuum is constant. Light, in a vacuum always travels at C, which is 299,792,458 m/s. The difficulty comes
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Is household dust made of dead skin? There is a myth that household dust is made entirely of dead skin cells. It is true that sometimes as much as half of household dust is dead skin, but there are many other things in it as well, depending on where you live and your house. We
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How do you soundproof a room? There are several ways, but the basic way of soundproofing a room is to make sure that there are no gaps in the walls or door and cover all surfaces in a material that absorbs sound. Sound is caused when energy is transmitted through something in a wave. When
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How do some animals freeze and not die? There are a few animals that can freeze solid in the winter and then thaw out again in the spring without any damage to their bodies. They do this by producing a type of antifreeze. We could easily freeze solid in the winter, but that would be
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How does our balance work? We balance by using our visual system, our proprioceptive system, and our vestibular system. The visual system is obviously our eyes, the proprioceptive system is in our muscles and joints, and the vestibular system is in our inner ears. Some people have much better balance than others, but we all
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