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By Amrit Gotame Get knowledge; know more

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Airbags; how do they work?

By Amrit Gotame Get knowledge; know more

Even if the driver secured properly, an accident would occur at high speeds if there was no airbag. It is a significant engineering challenge to bring the human body to a stop from a high speed in less than 100 milliseconds without causing significant bodily harm. Let's have a better grasp of this life-saving technology by looking at the mechanism of airbag inflation, which is triggered by chemical explosions. Seatbelts are meant to keep the human body from moving, but they can cause internal organ injury if they apply too much stress on the chest area during an accident. Modern seat belts use a torsion bar to slightly release the seat belt in the event of a large impact on the chest. This action causes the upper body to move forward somewhat, but as the torsion bar is released, the upper body's movement is stopped. Working Mechanism of Airbags, Image credit; whyflies.org Please notice that the sear belt only arrests the motion of your upper body, omitting your neck and head, w...

Why do cats have vertical pupils?

By Amrit Gotame Get knowledge; know more

Peering into the eyes of different animals, you’ll see some extraordinarily shaped pupils. why? Cat with vertical pupil, Image credits: catster.com It turns out that the shape of an animal's pupils is a good indicator of its ecological role. The hollow aperture in the iris, the eye's band of pigmented muscle, is marked by pupils. They're the openings via which light enters the eye, strikes the retina, and activates light-sensitive cells, triggering the visual process. Because most of the light that enters them is absorbed, pupils are black. Their size changes in reaction to light, medications, and emotional and mental states, although their basic shape differs widely between species. House cats, for example, have vertically enlarged pupils and are nocturnal predators. These formations expand dramatically in the dark, absorbing all available light. They shrink into slits when the light is bright. Cat pupils are so adaptable that their maximum area is 135 times larger than t...

Sinkholes; how do sinkholes form?

By Amrit Gotame Get knowledge; know more

Imagine the ground beneath your feet or your house suddenly collapsing and forming a large hole in the ground. It's a terrifying thought. Sinkholes are uncommon, but when they do develop, they can be fatal. Sinkholes form when the ground underneath the land surface is unable to support it. Sinkholes can occur for a variety of causes; continue reading to learn more about them. Sinkholes are widespread in areas where the geology beneath the land surface contains limestone, carbonate rock, salt beds, or rocks that can be dissolved naturally by groundwater passing through them. Underground caves and caverns form as the rock degrades. Sinkholes are spectacular because the land normally remains intact for a long time until the subsurface areas get too large. A abrupt collapse of the ground surface can occur if there is insufficient support for the land above the voids. Formation of sinkhole; Image credits - cartleton.edu What is a "sinkhole"? When it rains, water stays inside t...

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Why do cats have vertical pupils?

By Amrit Gotame Get knowledge; know more

Peering into the eyes of different animals, you’ll see some extraordinarily shaped pupils. why? Cat with vertical pupil, Image credits: catster.com It turns out that the shape of an animal's pupils is a good indicator of its ecological role. The hollow aperture in the iris, the eye's band of pigmented muscle, is marked by pupils. They're the openings via which light enters the eye, strikes the retina, and activates light-sensitive cells, triggering the visual process. Because most of the light that enters them is absorbed, pupils are black. Their size changes in reaction to light, medications, and emotional and mental states, although their basic shape differs widely between species. House cats, for example, have vertically enlarged pupils and are nocturnal predators. These formations expand dramatically in the dark, absorbing all available light. They shrink into slits when the light is bright. Cat pupils are so adaptable that their maximum area is 135 times larger than t...

Airbags; how do they work?

By Amrit Gotame Get knowledge; know more

Even if the driver secured properly, an accident would occur at high speeds if there was no airbag. It is a significant engineering challenge to bring the human body to a stop from a high speed in less than 100 milliseconds without causing significant bodily harm. Let's have a better grasp of this life-saving technology by looking at the mechanism of airbag inflation, which is triggered by chemical explosions. Seatbelts are meant to keep the human body from moving, but they can cause internal organ injury if they apply too much stress on the chest area during an accident. Modern seat belts use a torsion bar to slightly release the seat belt in the event of a large impact on the chest. This action causes the upper body to move forward somewhat, but as the torsion bar is released, the upper body's movement is stopped. Working Mechanism of Airbags, Image credit; whyflies.org Please notice that the sear belt only arrests the motion of your upper body, omitting your neck and head, w...

Bonsai trees can cost millions of dollars😮😮, why is it so??

By Amrit Gotame Get knowledge; know more

Bonsai is an art form that requires years of training and centuries of dedication. At 2012 International Bonsai Convention, a tree was on sale for 100 million yen, just under a million dollars. So what is it that makes bonsai so expensive? 😮😮 Bonsai is a art of dwarfing a regular tree to create a perfect miniature representation of nature in a small pot. It has long history, originating in China, the practice of creating tiny trees and landscapes appeared as far back as the sixth century. Years of cutting, wiring, repotting, and grafting have hindered the trees' growth. Every day, the plants must be checked and frequently watered. The expertise required to grow these trees has a significant impact on their worth. They're frequently bent and twisted into shape, positioned around rocks, and even grouped together with other trees to create a miniature forest. Many of these techniques require years to master, and any errors made can can result in permanently ruining the shape. ...

Sinkholes; how do sinkholes form?

By Amrit Gotame Get knowledge; know more

Imagine the ground beneath your feet or your house suddenly collapsing and forming a large hole in the ground. It's a terrifying thought. Sinkholes are uncommon, but when they do develop, they can be fatal. Sinkholes form when the ground underneath the land surface is unable to support it. Sinkholes can occur for a variety of causes; continue reading to learn more about them. Sinkholes are widespread in areas where the geology beneath the land surface contains limestone, carbonate rock, salt beds, or rocks that can be dissolved naturally by groundwater passing through them. Underground caves and caverns form as the rock degrades. Sinkholes are spectacular because the land normally remains intact for a long time until the subsurface areas get too large. A abrupt collapse of the ground surface can occur if there is insufficient support for the land above the voids. Formation of sinkhole; Image credits - cartleton.edu What is a "sinkhole"? When it rains, water stays inside t...

What is MSG, is it actually bad for you?

By Amrit Gotame Get knowledge; know more

Monosodium glutamate MSG is a flavor enhancer that is commonly used in restaurant dishes, canned vegetables, soups, deli meats, and other foods. MSG has been designated as a generally recognized as safe food additive by the US Food and Drug Administration (FDA). However, its application is still up for discussion. As a result, the FDA requires MSG to be stated on the label when it is added to food. For many years, MSG has been utilized as a food ingredient. During this time, the FDA has received numerous reports of alarming reactions that have been linked to MSG-containing foods. The MSG symptom complex includes the following reactions: Headache Flushing Sweating Face pressure or tightness Lack of feeling (numbness), tingling or burning in the face, neck and other areas Quick, fluttering heartbeats Chest pain Feeling sick (nausea) Weakness However, no conclusive evidence of a relationship between MSG and these symptoms has been discovered by experts. However, researchers acknowledge th...

Did you know that the Atlantic and Pacific oceans never mix!!

By Amrit Gotame Get knowledge; know more

When you look at the seas and oceans on the map you might think that they just flow into each other. well, you will be amazed at how realistic the borders between them are! you will be wonder What could interfere with its mixing? 😲 The actual things is that water can be different too. The water of the Atlantic and Pacific oceans have different density and chemical make-up, the level of salinity and other qualities. We can see by their colour that they are far for being the same. The borders between two bodies of water with different physical and biological characteristics are known as ocean clines. 💧💧 Haloclines💧💧 They are borders between water with different salinity. This is what we see when the Atlantic and Pacific oceans meet. The famous explorer Jacques Cousteau found this when he was deep diving in the strait of Gibraltar. The layers of water with different salinity looked like they were divided with a transparent film, and each layer had its own flora and fauna. Haloc...

How do painkillers relieve the pain?😨😨

By Amrit Gotame Get knowledge; know more

For instance, you're at the playground and you get sand in your eyes. How do you know the sand is there? You obviously can't see it, but if you are a normal healthy human, you can feel that the sensation of extreme discomfort, also known as pain. Now, pain makes you do something, in this case, rinse your eyes until the sand is gone. How do you know the sand is gone? Exactly, because there's no more pain. There are persons who are unaffected by pain. That may appear to be cool, but it isn't. If you can't feel pain, you may unintentionally injure yourself or others. Your body's early warning system is pain. It shields you from the outside world as well as from yourself. Pain detectors are installed in most places of our bodies as we grow. These detectors are nociceptors, which are specialized nerve cells that run from your spinal cord to your skin, muscles, joints, teeth, and some internal organs. Working mechanism of pain relievers, Image credits: getbodysmart.co...

Caffeine keeps us awake; the real science behind it?

By Amrit Gotame Get knowledge; know more

Every year, around 100,000 metric tons of caffeine are consumed worldwide. This is the equal of 14 Eiffel Towers in weight. Caffeine is mostly found in coffee and tea, but it can also be found in sodas, chocolates, caffeine pills, and even decaf beverages. Even if we haven't gotten enough sleep, caffeine makes us feel alert, focused, cheerful, and active. But it can also make us feel worried and spike our blood pressure. It is the most extensively used drug in the planet. So how does it keep us awake? Caffeine evolved in plants and performs a variety of functions. It is harmful to insects in high concentrations, as it is found in the leaves and seeds of some species. However, at little doses, such as those present in nectar, it can actually help them remember and revisit flowers. Caffeine functions as a stimulant for the central nervous system in humans. It keeps us awake by blocking one of the body's key sleep-inducing molecules, a substance called adenosine. Your body requir...

Do you know; how pregnancy tests kit work?👇👇

By Amrit Gotame Get knowledge; know more

The first known pregnancy test was created in ancient Egypt around 1350 BC. According to Egyptians, all you have to do is urinate on wheat and barley seeds and wait. If either sprouts, you're pregnant. If wheat sprouts faster, it's a girl but if barley, it's a boy. In 1963, a small research replicated the test and discovered that it accurately predicted pregnancy with a 70 percent accuracy, albeit it couldn't consistently determine the baby's sex. The test worked, according to scientists, since pregnant women's urine includes more estrogen, which promotes seed growth. Within minutes, modern pregnancy tests provide highly accurate findings. How do they work? Working mechanism of pregnancy test kit, Image credits: nippongene.com Over the counter pregnancy tests are all designed to detect one things: a hormone called HCG. HCG is created in the early stages of pregnancy and initiates a telephone call to the body, telling it not to shed the uterus' inner linin...

Have you ever thought that parrots can talk like human!!!!🙆🙆

By Amrit Gotame Get knowledge; know more

According to study on monkeys vocal tract, the result shows that they have strikingly similar vocal structure to humans. But despite all these similarities, they can’t speak so here’s a question. Compared to monkeys, birds are nothing like us. Some bird can talking like us, How??😮😮 Lips aren't found on birds. They are toothless. Their "nose" isn't the same as ours, but they do have something that we don't. They have a completely different vocal box than we do. It's known as a Syrinx. They actually have two voice boxes, one for each of them. The lower respiratory system of birds and humans is formed like an upside down slingshot. The trachea, or windpipe, is on top, and the lungs are on the bottom, and these two sections carry air in and out. The larynx, which is placed above the trachea in humans, is the voice box. It has "folds" in the vocal folds that vibrate when air passes through them, producing sound. Humans shape that sound mostly with thei...

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Popular posts from this blog

Airbags; how do they work?

Why do cats have vertical pupils?

Sinkholes; how do sinkholes form?