Why the Shadow of The Planes Is not Formed?

 They do cast shadows but you can't see them, the closer the object is to a light source the denser its shadow is and if the object is too far away its shadow disperses.

Why Lightening Always Travel In A zigzag Path?

Lighting is never a triangle straight line or circles it always has a zigzag shape. Lighting is an electric current and it always takes the path of least resistance. Air is uneven and irregular containing dust particles gases and other substances so lightning just seeks the best way through.

Why there's always a space at the top between the liquid level and the bottle's cap?

Soda bottles are always filled in such away that there's some space between the liquid level and the cap that's because these drinks contain carbon dioxide this gas can expand if the bottle gets heated, if there's no air gap in the bottle, it'll break because of the pressure building inside also, when you open your drink the gases go out in the form of bubbles and the drink is likely to overflow, the gap helps with this problem, too except if you shake it up first then open it. Now I've never done that.

Why do we feel irritation with some sounds?

There are sounds most people can't stand like the sound of a fingernail on a blackboard or someone scratching a window, such noise irritates the amygdala that's a small part of your brain controlling your emotions including fear and survival instincts.

Reasons Behind The Holes In Cheese?

Some cheeses have holes in them they're called eyes these eyes are made by bacteria used in the process of production when cheese is almost ready. These bacteria release carbon dioxide and this gas forms bubbles that later become the cheese's eyes see

Why Do Cats Knock Out Things?

Cats knock different things over because of their hunting instincts, your cat is simply checking whether the thing is alive or not or it might want your attention, cats are smart and know that humans come very fast when something is broken.

Do You Know That Why The Pizza Dough Is Spun In the Air?

When the pizza dough is ready it gets manually spun in the air this process removes lumps and creates its circular shape it's more convenient to bake a

round pizza this way it gets heated evenly plus it's easier to cut around pizza into equal parts.

How Do Frogs And Fish Rain?

There have been reports of raining frogs and other unusual stuff dating back to ancient civilizations' strong winds such as those in a tornado or hurricane. Sometimes get so powerful that they can lift up a school of fish or frogs and rain them somewhere miles away

Why Flowers Have Different Colors?

Flowers have different colors because of the color pigments they contain but there are other factors for example the amount of light they receive while growing or the temperature of the environment around them even the PH level of the soil can have an impact on flowers coloration.

Why Do Dogs Tilt Their Head Specially While Interacting To Their Owners?

By tilting their heads dogs try to understand all you're saying correctly it's the way to adjust their ears to the sounds they hear it may also be the way to show their empathy to the owner or they got something stuck in there.

Why Don't We Burst Into Laugh While Tickling Ourselves?

Tickling is bound to cause a laughter reflex but nothing will happen if you tickle yourself that's because there will be no element of surprise your brain knows what you're going to do.

Do you know these?

Barcodes speed up the purchasing process if a barcode consists of 12 digits the one on the very left is a system identifier for example two means it's a randomly weighed item three is used for products related to health the next five digits identify the manufacturer and the following five are the products number the last one is the check digit scanners need it to make sure they've read the code correctly.

Do you know these?

 The song is bound to get stuck in your head if its music is simply the text is repetitive and short and the rhythm makes you move another reason you might have an earworm is that you hear some songs too often and your brain can easily detect them.

Why Highlighters Are Mostly Green Or Orange In Color?

Highlighters are filled with a special semi-transparent fluorescent ink that can glow in dim light yellow and light.

Green hues are the most popular because they don't prevent you from seeing the text after black and white photocopying. Photocopiers perceive yellow and light green marks as very pale and don't print them.

Why Do You Get Your Hair White?

With age, your hair loses the natural color it happens because keratin receives less pigment as people grow older the pigment cells in their hair follicles, gradually vanish and hair becomes gray. Some time passes and no pigment is produced at all that's when hair turns white.

Why Do Trees Stop Growing After Certain Age?

Trees stop growing at a certain age it might be because when a tree reaches a particular height it gets difficult for it to pull water from the soil because after that it needs to pump it all the way to the top and that's when gravity comes into play some trees like the baobab start growing out instead of up once they reach their full height.

Why Do The Skin Swell When A Mosquito Bites Us?

 Your own body makes mosquito bites swell and itch a mosquito breaks your skin your immune system perceives the insect saliva as a foreign substance so it starts a special reaction to flush the intruder out of your body, a compound produced by the immune system called histamine makes the blood flow faster around the bitten area and it causes the swelling the histamine also sends a signal to the nearest nerves which makes the bite itch.

Why Do Geese Fly-In v-shaped Pattern?

Geese usually fly in a v-shaped formation to conserve energy and make sure none of their team members get lost. 

Can you?

You can't hum while holding your nose trust me during humming you exhale air but when both your mouth and your nose are closed the air can't escape the longer you can hum like this is two seconds then you'll have to open your mouth and catch your breath.

Why Do Road and Construction Workers In Orange Uniform?

Road and Construction Workers are in orange uniform because the bright orange hue is visible even in bad weather it's the most effective color to attract attention and alert people no wonder lots of safety jackets and traffic cones are orange as well modern-day perfectly round coins used to

be shaped randomly or have no shape whatsoever in the past but dishonest people stole valuable metals the coins were made up by chipping their corners off of course it was illegal to prevent this kind of fraud they invented round coins after that it instantly became obvious when the coins had been fiddled with.

Why Do Ambulances Have Printed 'Ambulance' Laterally Inverted?

 Most ambulances have this word printed on the front of the vehicle which is the word ambulance backward it's written in reverse so that the driver in front of the ambulance can see the word properly in their rearview mirror then they can move out of the way and let the

ambulance pass.

Why Are Aeroplanes Are Painted White In Majority?

White is the most popular color for painting aircraft reflects sunlight most effectively which doesn't let the plane heat up too much. All kinds of cracks dents and other damage are much more visible on the white background it means the fault can be spotted and repaired as fast as possible and finally, it costs less to buy a white-colored airplane because it's the color they have at birth.

Do Really Adding Salt To Water Makes It Boil Faster?

Unlike what many people believe adding salt to water won't make it boil faster it's true that saltwater gets hotter more quickly than the regular one but its boiling point is also higher since salt adds some extra mass to the water so it won't make things speed up.

Why Are Basketballs Orange?

 The first basketballs were brown because they were made of brownish leather but such balls were difficult to see for both players and for fans, to make the basketball more visible they decided to make it orange ooh like the traffic cones.

Why Flamingos Turn Pink Though They Born Gray?

Flamingos are born gray but they turn pink because of their diet a lot of tiny shrimps and blue algae both of these products are packed with special pigments when the flamingo's liver

processes these pigments special molecules travel to the bird's legs bill and feathers painting them pink.

Why Are Doughnuts are shaped like rings?

Doughnuts are shaped like rings because otherwise, they might get overdone at the edges but uncooked and gooey inside with a hole, in the center, both the outsides and the insides get ready at the same time.

Do you know these?

Bears don't sleep for months during hibernation instead all the processes in their bodies slow down. They don't need to eat or drink but they can still react to any unexpected things going on around them.

Why Do You See The Mighty Sun Yellow?

 You see the sun as yellow or orange because the atmosphere of our planet scatters such colors as blue-green and violet this is also why the sun looks warmer at sunrise and sunset emergency services use two colors of flashing lights red and blue, the red one is associated with warning and danger. It's also one of the most noticeable colors but this color can get lost in heavy traffic because most cars have red tail lights that's when blue flashing lights come in handy.

Do you know these?

 Your tongue doesn't have separate bittersweet sour or salty sections for tasting each of the 8000 taste buds you have on the tongue the roof of the mouth or even in the throat yep can detect all the tastes.

Why The Most Of The Private Houses Have Triangular Shaped Roofs?

Lots of private houses have triangular shaped roofs because this allows rain snow and fallen leaves to slide off the slope if all this stuff piled up on top of your house one day your roof would collapse.

Do you know these?

Kangaroos have muscular legs big feet and tails that allow them to move forward really fast, but the animal can't go in the opposite direction that's because of their body construction.

Why Do Leathers Look Shiny After Polishing It?

Leather often looks dull to the eye because it's covered with itsy bitsy scratches and scrapes they scatter the light that hits the material when you coat your shoes in a layer of wax you fill these tiny crevices the surface becomes smoother and the rays of light bounce off it more evenly that's why the leather looks shiny.

Do you know these?

Bread tag colors indicate the day when the bread was baked for Monday, they use the blue tag Tuesday is green, and Thursday is red bread bags have white tags on Friday and on Saturday they are yellow this makes it easy for grocery store employees to remove stale bread from the shelves and replace them with freshly baked ones.

Do you know These?

 Wimbledon tennis balls are always stored at 68 degrees Fahrenheit the temperature can influence their bounciness when the ball is warm gas molecules inside it expand this makes the ball bouncier after the ball cools down the molecules shrink this decreases the bounciness.

Do You Know These?

 When a storm is coming clouds seem to turn dark but it's just an illusion of thin clouds on a sunny day, it lifts the light through easily, they also scatter all the colors of the light and the spectrum of the color makes us perceive the clouds as white but the thicker the clouds are, and the more water droplets they contain the less light they let light through it and the darker they look.

Do You Know That?

 Modern light bulbs come in all shapes styles and sizes but in the past, all light bulbs used to be spherical this shape made the glass stronger and less prone to breaking and the sphere worked best when it came to delivering light evenly.

Do You Know These?

If your blender stops chopping food and just spins it around in circles you've probably skipped the pulse button most modes make the ingredients move around in the same direction at the same speed but the pulse function creates turbulence and instead of rolling around fruit pieces fall into the center and turn into a smoothie-like smoothie the markings on the bottom of pizza.

Do You Know That?

Toothpaste tubes are there for the factory robots colorful squares mark the line that helps the machines understand where to cut and fold the tube green and black tea come from the same

bush the leaves get their different tastes and looks after they get harvested green tea is withered and heated through steaming and black tea is crushed or curled and then left to oxidize and darken.

Why Do The Stop Signs Are Eight-Sided Shape?

The stop sign has an eight-sided shape to help drivers recognize it easily even if they see it from the back and when the signs weren't reflective yet the octagon shape prevented drivers from confusing the stop sign with any other at night.

Why Water Is Used For Cleaning at most of the cases?

Water is great at cleaning stuff because it has triangular molecules they're made of one oxygen and two hydrogen atoms um h2o. Yep such molecules have slightly different charges on their opposite sides are pretty much like magnets that's why water easily sticks to other molecules including those that makeup dirt.

Why Do Glass Breaks So Easily?

Glass breaks so easily because its atoms are arranged rather loosely and randomly they can't rearrange themselves fast enough to maintain the glass's structure as a result glass doesn't bend it shatters.

Do You Know That?

Earth doesn't get closer to the sun in the summer, in reality, it's closest to it in January and farthest in July. It's warmer in the summer because the earth's axis is tilted and it lets the planet's northern part catch more sunlight for half of the year and the southern part of the another half.

Do You Know These?

 You can always squeeze in some dessert  no matter how much salad soup or meat you've eaten before your body gets bored of savory taste but when you see and smell something sweet like ice cream cakes or chocolate your brain gets excited it overrides all fullness, signals for pleasure plus your stomach is a flexible organ and sugar help it relax and physically make room for dessert...

Do You Know That?

The first solar calculator hit the shelves in the late 1970s that's when scientists began experimenting with relatively cheap solar cells calculators were among the first products that needed a little power to work later this technology moved to larger stuff such as lights and highway signs.

Do You Know That?

Light isn't the fastest thing in the world of course nothing can compare to its speed in a vacuum but it slows down when going through water or glass oranges.

Do You Know That?

 The fruit, not the traffic cone isn't always orange the green skin variety is just as sweet and ripe this unusual skin color protects oranges from the sun it's also a sign there's plenty of chlorophyll in the fruit that's why green oranges mostly grow in warmer climates.