The reason for the reddish sunsets and dawns is Rayleigh scattering. The colors have different wavelengths. For example, blue has a short wavelength, so it isn’t scattered so much. In the mean time, red light has a short wavelength and scatters in the atmosphere when it travels for a while. When the Sun is high, […]
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Keeping a room cool in the summer or in a very hot region can be a serious challenge, especially on a budget. Scientifically speaking, it’s nearly impossible to keep any aboveground room cool in the middle of the day when it’s subjected to direct sunlight. But what about air conditioned rooms? We rely on air […]
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There are hundreds types of metals found on our planet. However, some of them are more expensive than the others, because they have different unique characteristics that make them so valuable. This is why most jewelry is made of silver and gold, because these two materials are very resistant and withstand oxidative and corrosive forces. […]
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A ‘zodiac’ is basically a constellation through which the Sun passes during its movement. Most of the constellations are named after animals and are found above and beneath the Sun. However, we can’t see them because the Sun’s brightness conceals them. In 1930, the International Astronomical Union defined 12 signs of the zodiac. However, nowadays […]
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Simply, it just breaks down. When you burn more calories than you consume, your body starts burning fat in order to gain energy. The fat cells will shrink and many other metabolic processes will occur, but they aren’t easy to explain, so the above explanation should be enough for you. The process in which fat […]
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Traditional thermometers look like a glass tube, with a scale and a narrow tube in the middle which is filled with some kind of a liquid. In most cases the liquid is mercury, a metallic liquid. Some types of thermometers use alcohol as well. The reason for this is that mercury and alcohol expand when […]
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Many advertisements are showing bladeless fans, but how do they work? The answer is that these fans actually have blades, but they are concealed in the fan’s pedestal. These types of fans suck the air into the pedestal, transport it through a tube and push it out of the front. The working method of these […]
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When you hear mirrors you probably think of a reflection, but what you see isn’t exactly a reflection of yourself. When we are standing in front of a mirror, we see a light-print of everything facing the mirror’s area. Mirrors scatter light in a special way and cause specular reflection. The light particles which hit […]
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Everyone has used an aerosol can, but do you know how the fluid comes out? The most common method is using 2 types of fluids in the tank – one is stored under high pressure and another one is used to push the second fluid. Cans are usually made of a strong metal which can […]
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It seems like body hair doesn’t have an important purpose, so many of you probably ask – why do we grow body hair when we don’t need it? The answer to this question is provided by a team of researchers who found out that our body hair can help us detect parasites and bugs. This […]
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