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Take a Sip of Knowledge with @Curiosity_Tea of Interesting Question & Answers regularly. For Paid Promotion: @IronFist04 Our Channels @CuriosityTea_Official For Info/Report/Feedback: @IronFist04 @LEOnlk1999 @sgrmshrsm7

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​​What is a Satellite? A satellite is a body that orbits around another body in space. There are two different types of satellites – natural and man-made. Examples of natural satellites are the Earth and Moon. The Earth rotates around the Sun and the Moon rotates around the Earth. A man-made satellite is a machine that is launched into space and orbits around a body in space. Examples of man-made satellites include the Hubble Space Telescope and the International Space Station. Of the eight planets in the solar system, Earth, Mars (2), Jupiter (67), Saturn (62), Uranus (27), and Neptune (14) have moons In the asteroid belt between the inner and outer planets, a large asteroid named Ida also has a moon. Even though Pluto is not considered a planet anymore, it too has five moons. Moons come in many shapes and sizes. There are three areas of earth orbit. Low Earth orbit (LEO) is the closest to the Earth's surface and holds weather and climate satellites. Then there is the medium Earth orbit (MEO). The Global Positioning Satellites or GPS, are in this space. The farthest away from the surface is the high Earth orbit (HEO) or geosynchronous. At this altitude, the satellite travels at the same speed that the Earth does and monitors one area. It looks like this satellite is not moving since it travels at the same rate as the Earth. Russia and the United States tried to outdo each other to see who could get to the Moon first in the 1950s. The Russians leaped ahead by launching Sputnik 1 in October of 1957. Four months later, the United States caught up with the launch of Explorer 1 in early 1958. Depending on where the satellites are orbiting, the uses of satellites vary. Some of the various types of artificial satellites are communication, remote sensing, GPS, geostationary, drone, polar, nanosatellites, navigation, and ground. There are also different orbital patterns the satellites can take, depending on what scientists want to study.
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​​Why do drugs come in different forms? Medicines are basically given based on their target organ and mode of action desired, so if one wants a medicine for stomach, it makes sense to give a tablet which can then directly go to stomach and act. This works if you have direct access to the organ desired, like stomach, Intestines (especially large intestine through anal suppositories), mouth (through orally solvable tablets), skin (through ointments, lotions etc.). Problem occurs when you need drugs which act on organs you cannot directly have access to, like heart, Brain, small intestine, Pancreas, blood etc. For these we use different route of administration and special formulations like Capsules (which do not get disintegrated by gastric acids and can directly go to small intestine where they can dissolve and initiate their actions), Buccal or dermal patch (where you do not want immediate action but long lasting action) etc. According to route of action: 1. If we need immediate action we use sublingual tablets, which provide almost immediate action in emergency cases like heart attacks, where nitroglycerine is given for immediate relief. 2. Oral route is the most preferred route if there is no emergency, its the one most comfortable and has the lowest cost but has other disadvantages like irritation of gastric mucosa, delay in onset of arrival and other unwanted metabolic reactions like drug being acted upon by intestinal enzymes. Different forms are Tablets ( It comprises a mixture of active substances and excipients, usually in powder form, pressed or compacted from a powder into a solid dose), Capsules (where the drug is enclosed in a gel like covering allowing it to pass the barriers like stomach acids and be used as anal suppositories, also liquid form of drugs can also be given as capsules), syrup ( not much difference but some drugs are more active in liquid form, and sometimes its more comfortable like in case of children) 3. Topical: By delivering drugs almost directly to the site of action, the risk of systemic side effects is reduced. However, skin irritation may result, and for some forms such as creams or lotions, the dosage is difficult to control as it depends on the person applying the lotion/cream. 4. Inhalation: Inhaled medications can be absorbed quickly, and act both locally and systemically. Proper technique with inhaler devices is necessary to achieve the correct dose. Some medications can have an unpleasant taste or irritate the mouth. Inhalation by smoking or inhaling a substance through inhalers is likely the most rapid way to deliver drugs to the brain, as the substance travels directly to the brain without being diluted in the systemic circulation and effects are more potent. eg Cigarette smoking 5. Injection: The term injection encompasses intravenous (IV), intramuscular (IM), and subcutaneous (SC) administration. Injections act rapidly, with onset of action in 15-30 seconds for IV, 10-20 minutes for IM, and 15-30 minutes for SC. They also have essentially 100% bioavailability meaning all drug injected goes directly into system, this can be used for drugs that are poorly absorbed or ineffective when given orally. Some medications, such as certain antipsychotics, can be administered as long-acting intramuscular injections. Ongoing IV infusions can be used to deliver continuous medication or fluids. Disadvantages of injections include potential pain or discomfort for the patient, and the requirement of trained staff using aseptic techniques for administration.
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​​​​What is Spoiler in cars? A spoiler is an automotive aerodynamic device whose intended design function is to 'spoil' unfavorable air movement across a body of a vehicle in motion, usually described as turbulence or drag. Spoilers on the front of a vehicle are often called air dams. Spoilers are often fitted to race and high-performance sports cars, although they have become common on passenger vehicles as well. Some spoilers are added to cars primarily for styling purposes and have either little aerodynamic benefit or even make the aerodynamics worse. The term "spoiler" is often mistakenly used interchangeably with "wing". An automotive wing is a device whose intended design is to generate downforce as air passes around it, not simply disrupt existing airflow patterns. As such, rather than decreasing drag, automotive wings actually increase drag. Airfoils add drag, reducing your top speed and top-end acceleration. But at high speeds, they push the car down and add traction so you can turn faster. The worst airflow a car sees is at its rear edge, where the shape of the vehicle pulls air downward (causing dangerous lift) and generates turbulent, low-pressure air pockets behind the vehicle (contributing to drag). Spoilers change that airflow. Most folks think airflow exactly follows the surface contour. Even many auto-designers used to think that, until computational fluid dynamics and rigorous smoke-trace wind tunnel testing improved our understanding of airstream behavior.
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Interpol and the FBI regularly analyze posts by the author of the HIDDEN TRUTH Channel For publishing compromising photos and insider information reflecting dark pages of history, banned from television and withdrawn from books, the channel has been placed on an extremist list. - secrets of the fall of the twin towers; - the emergence and sudden disappearance of the UFO myth; - secrets of Nazi experiments, and much more in the HIDDEN TRUTH CHANNEL. The first, dynamic channel has already been blocked, so use the current link to the new project to access it.
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​​How are Seedless fruits produced? Normally, a fruit forms after pollination of a flowering plant when the female ovary is fertilized by male pollen. Fertilization causes seed development. The fruit is actually the ovary that swells around the seed. Natural genetic mutations may cause fruit to develop in some plants without fertilization and therefore without producing seeds. This characteristic, development of fruit without fertilization, is called parthenocarpy. Today’s seedless fruits and vegetables started with this natural mutation, followed by human recognition that seedlessness was an attractive trait. Then humans found ways to propogate that plant to preserve that characteristic. Seedlessness has several attractive features. Seedless oranges, grapes and watermelons are less messy and more enjoyable to eat. Eliminating cucumber seeds eases digestion issues for many people.  And seedlessness lengthens shelf life since seeds tend to encourage the fruits’ deterioration to hasten their dispersal into the world. There are several mechanisms depending on the type of fruit. Pineapple, for example, always forms fruit but only forms seeds if pollinated. More interesting are plants like watermelon and banana that are sterile because they contain the wrong number of chromosomes. "Normal" organisms contain 2 copies of each chromosome (diploid) but many plants naturally double up their chromosome count to become tetraploid. This affects the gene expression somewhat but generally doesn't affect reproductive ability. However if you have 3 copies of each chromoshome (triploid) the plant can be sterile. In Cavendish bananas (the main variety sold today) this happened by natural mutation over 500 years ago, and every banana tree of this type produced since then is essentially a clone created by planting a cutting. In the modern era, we have artificially bred triploid versions of some fruits such as watermelons and oranges to make them sterile and seedless. This was done by chemically inducing tetraploidy in the plant to produce a viable 4x-chromosome version (which is fairly easy), and then crossing that with a diploid 2x-chromosome version. The resulting offspring have 3 copies of each chromosome and are sterile. This can be repeated as often as needed to produce a new generation of the plant, but obviously spreading the plant via cuttings or grafting is simpler and easier.
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​​What is an Earthquake and what causes them to happen? Earthquakes are caused by the movement of tectonic plates. The Earth's crust is made up of several large plates that float on the molten rock of the mantle. When two plates grind against each other, tremendous pressure can build up. Eventually, that pressure is released in the form of an earthquake. The point where the plates meet is called a fault line, and the movement of the plates along the fault line is what causes the ground to shake during an earthquake. In addition to plate tectonics, earthquakes can also be caused by human activity such as the injection of fluids into the ground, the extraction of oil and gas, or the building of large dams. These activities can change the stress and pressure on the Earth's crust, leading to the movement of faults and the generation of earthquakes. Another type of earthquake is volcano-tectonic earthquake. Those are caused by the movement of magma, fluids and gases in the subsurface of a volcano. They are typically associated with volcanic activity and can be a precursor to an eruption. Earthquakes can also be caused by underground nuclear explosions, or even meteorite impacts. However, these types of earthquakes are extremely rare. In summary, the main cause of earthquakes is the movement of tectonic plates, but other causes include human activity, volcanic activity, nuclear explosions, and meteorite impacts.
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​​Why do you get Boogers in your Eyes? The scientific name for eye boogers is rheum. Rheum is made up of mucus, skin cells, oils and dust. The rheum that comes from the eyes and forms eye boogers is called gound, which you may know as eye sand, eye gunk, sleep dust, sleep sand, sleep in your eyes. When you're awake, gound doesn't cause any problems. Your eyes produce mucus throughout the day, but a continuous thin film of tears bathes your eyes when you blink, flushing out the rheum before it hardens in your eyes. When you're asleep  and not blinking, eye discharge collects and crusts in the corners of your eyes and sometimes along the lash line, hence the term "sleep in your eyes." Eye discharge is a common symptom of conjunctivitis. In addition to conjunctivitis, there are many eye infections that cause abnormal eye discharge. These include: eye herpes (a recurrent viral eye infection), fungal keratitis (a rare but serious inflammation of the cornea) and Acanthamoeba keratitis (a potentially blinding parasitic infection typically caused by poor contact lens hygiene or swimming while wearing contacts).
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​​​​What happens if Aircraft Engines fail in Mid-Air? Engine failure results in the loss of thrust, which is required for aircraft to maintain altitude or climb further. However, engine failure does not necessarily culminate into the complete loss of aircraft control. Aggressive use of flight controls, namely rudders and ailerons, can steer the flight to safety. Aircraft compensate for a loss of thrust by losing altitude. They have a thrust-to-drag ratio of 10:1, which means they can fly 10 miles forward for every 1 mile lost in altitude. Cruising altitudes of 35,000 ft (~6 miles) give aircraft a distance of 60 miles to find a suitable place to conduct an emergency landing. Engine failure is easier to deal with at higher altitudes than at lower altitudes, such as when taking off. Pilots faced with engine failure must conduct forced landings on the most favorable surface available to them. Here’s an interesting catch, this surface need not only be land. Airplanes can be ditched, i.e., landed on water or ice, without compromising passenger safety. Similar to crumple zones in cars, aircraft have expendable parts in their structure to dissipate the force of landing in inclement terrain. These include the wings, landing gear, and even the bottom part of the fuselage.
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​​Why there is no wind on Equator? There can be periods of no wind. It’s called the doldrums or Inter-Tropical Convergence Zone. “The doldrums is a colloquial expression derived from historical maritime usage, which refers to those parts of the Atlantic Ocean and the Pacific Ocean affected by a low-pressure area around the equator where the prevailing winds are calm. The doldrums are also noted for calm periods when the winds disappear altogether, trapping sailing ships for periods of days or weeks.” What happens is that, at the equator, the hot air rises straight up. “Because the air circulates in an upward direction, there is often little surface wind in the ITCZ. That is why sailors well know that the area can becalm sailing ships for weeks. And that’s why they call it the doldrums.”
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​​​​How Do Antiperspirants Work? Antiperspirants are actually a subgroup of deodorants. While deodorants do not impact one’s perspiratory process, antiperspirants actively prevent sweat glands from releasing sweat, in addition to counteracting body odor with their own fragrance. Commercial antiperspirants mostly consist of compounds like aluminium chlorohydrate and aluminum-zirconium tetrachlorohydrex gly as their active ingredients. These aluminum-based compounds react with the sweat directly; more specifically, they affect the electrolytes present in the sweat to form a gel plug in the duct of the sweat gland. This stops the glands from secreting sweat over the ‘target’ area. These gel plugs are removed naturally over a period of time through skin peeling. In a nutshell, antiperspirants basically prevent sweat glands from releasing any sweat, which automatically takes care of the smelly underarm problem. Additionally, they contain some sweet-smelling constituents that give a fragrant boost to the body.
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​​Why sometimes Water freezes instantly with just a shake? The basic idea is this: when water freezes it forms ice, which is a nice regular crystalline structure. However, ice-crystals need a nucleation site, which is a point where the crystal can start to form, before they can actually start to form. In normal situations, water usually has some impurities which can serve as such nucleation sites, around which the crystal starts to grow and ice starts to form. However, if you use very pure water, there are no such "natural" nucleation points and so there is a chance that the water molecules want to form ice, but can't quite get around to it. As a result, the liquids are trapped in a "metastable" state well below their freezing point, but such a state has a precarious stability that can easily be disturbed. Shaking the bottle is one way to disturb this stability, as it gives a couple of the water molecules the chance to align in just to right way to start the crystallisation process, and once it's done, it is energetically favourable for the system to form ice, so all the other water molecules hop on as well. As a result, you would usually see the crystal "growing" in one direction until all the water becomes ice.
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​​Why is Salt used to melt ice on the Roads in Winter? Ice forms when the­ temperature of water reaches 32 degrees Fahrenheit (0 degrees Celsius), and that includes ice on roadways. Road salt works by lowering the freezing point of water via a process called freezing point depression. The freezing point of the water is lowered once the salt is added, so it the salt makes it more difficult for water to freeze. A 10-percent salt solution freezes at 20 degrees Fahrenheit (-6 Celsius), and a 20-percent solution freezes at 2 degrees Fahrenheit (-16 Celsius). The key is, there has to be at least a tiny bit of water on the road for freezing point depression to work. That's why you often see trucks pre-treat roads with a brine solution (a mixture of salt and water) when ice and snow is forecast. If the roads are dry and the DOT simply puts down road salt, it likely won't make much of a difference. But pre-treating with a brine solution can help ice from ever forming, and will help reduce the amount of road salt trucks will need to spread to de-ice later.
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