As we know, driving in fog can be a terrifying experience, but what about landing a plane in foggy weather?! Back when airplanes first made an appearance, they could only fly during the day, and only if the weather was good. Pilots had to rely on their own eyes to bring the aircraft down safely. What about now? When planes are ready to land, they first check the forecast. Pilots dial a specific frequency in order to listen to the current weather conditions. If there are patches of clouds when aircraft are about to land, it’s safe. But, if there are thick clouds that are too close to the earth, then there’s a slight problem. So how do airplanes land with no visibility, while hundreds of flights get canceled for the same reason? It’s time to clear the air about this mystery. Other videos you might like:
Why Planes Don't Fly Straight https://www.youtube.com/watch?v=WcWbUIQMxXE&
Why Planes Don't Fly Over Antarctica https://www.youtube.com/watch?v=dpzX5MJQybw&
A Plane Disappeared And Landed 37 Years Later https://www.youtube.com/watch?v=0AoJddnJ6SA& TIMESTAMPS:
How to measure the height of the cloud ☁️ 0:46
The Instrument Landing System 3:09
How does fog cause delays when there are ways to work around it? 🤔 4:07
The foggy touchdown process 4:56
Why the last seconds are the most important 8:08 #planes #aviation #brightside SUMMARY:
– One of the keywords they’re listening for when it’s cloudy is ceilings. A ceiling is the bottom of the lowest layer of clouds above the ground.
– Clouds are reported by weather stations in feet above ground level , or AGL. When pilots take off, they always make sure to know the height of the clouds around them.
– When a commercial jet is performing a touchdown with less than minimum visibility, the airport needs to have specialized equipment to guide the plane. – In foggy conditions, air traffic controllers are in constant communication with the pilots. – Aircraft today use cool radio navigation called the Instrument Landing System. – It includes a glide slope, which shows the vertical navigation as the plane heads to the airport.
– Therefore, the plane can avoid obstructions and get to the runway at the correct touchdown point. – When planes need to land in minimum visibility, the ground poses the biggest problem. – It’s too expensive for small airports to install the radio navigation systems, so they just put up with the disruptions. – Larger airports, and most commercial Aircraft, however, have all the means to land in fog. – The number of planes that take-off and land every hour reduces for safety.
– Before a plane starts to approach the runway in fog, the pilots need to ensure that all their primary systems are working correctly. – Once the plane is all set-up and ready, the autopilot gets engaged, and the landing begins. – During the foggy landing, pilots need to continually give the jet orders through a separate computer – the flight management system.
– The last seconds are the most important ones. The autopilot will have to reduce the rate of descent, and the system will have to notify the pilots that it’s keeping the aircraft straight on the runway. – In modern jets, IRL systems rarely fail. But sometimes passengers can tell the difference between a manual landing and an automatic landing. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More Can Pilots Land in Fog with Zero Visibility? Videos

The chances that one day you will encounter a shark are minuscule, small, shall we say, teeny tiny. And still, there are dozens of frightening myths surrounding these predators, even though most of them are misconceptions. For example, everybody knows that sharks have a very developed sense of smell that’s hundreds of times stronger than yours. It's probably no wonder that sharks can detect tiny amounts of different substances in the water, right? But what about the belief that sharks can smell a drop of blood from miles away? Is it true? And how much time will you need to get back to the safety of the beach and get a band-aid if you, say, cut your foot on a sharp stone while swimming in the ocean? Other videos you might like:
What If Megalodon Sharks Didn't Go Extinct? https://www.youtube.com/watch?v=Xh6pVbaEJTw&
4 Tips on How to Stay Safe at Sea https://www.youtube.com/watch?v=gvfkv_7v99k&
Why No Aquarium In the World Has a Great White Shark? https://www.youtube.com/watch?v=V4lOjZvtVO8 TIMESTAMPS:
What if you cut your foot while swimming in the ocean 1:19
Do sharks hunt humans? 1:55
How sharks breathe 2:56
Can sharks jump out of the water? 3:57
Does it make sense to hide among jellyfish? 4:25
Are all sharks predators? 4:57
Can they live in fresh water? 5:20
How you can intimidate a shark 6:19
The average shark's lifespan 7:29
Do sharks swim in reverse? 8:27 #sharks #survivaltips #brightside SUMMARY:
– While some shark species can identify the smell of blood from a quarter of a mile away, it doesn't reach them right away.
– Even though some sharks can decipher smells better than others, no shark will be able to smell your blood in the water from farther than a thousand ft away. – By the way, few people are aware that sharks aren't that interested in hunting humans. Most of them are very particular about their diet.
– There’s a stereotype that sharks purposefully hunt humans. But most shark attacks happen because these predators mistake swimmers for their usual prey.
– A few shark species won't be able to breathe if something prevents them from moving. But the rest of the predators use either both breathing methods or the buccal pumping method, and can easily rest on the seafloor. – It’s been said, "If a shark is heading toward you, hide among jellyfish." Well, if you want to waste your time and hurt yourself, go ahead. – It's another common misconception that all sharks are predators. – Some sharks can even be found in lakes and rivers with fresh water! – Among more than 400 species, there are both tiny ones, like the 8-inch-long deepwater dogfish, and impressive giants, such as the 40-ft-long whale shark.
– Despite their reputation as merciless and fearless monsters, you can stare a shark down or intimidate it.
– Sharks hang out mostly close to the surface. If you hear this statement, you should remember that it's nothing but a misconception.
– Sharks can attack and bite from any angle. – The average shark's lifespan doesn't usually exceed 70 years. – Sharks do NOT have a tongue, despite what some movies may show you. On the other hand, they have something that looks similar to the human tongue, but this organ is called the basihyal. – Sharks do not and can not swim in reverse. Their tails propel them, and their pectoral fins help them to keep balance and turn. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More Can Sharks Smell Blood from Miles Afar? Videos

Well, hello, there! I’m Fernando, Fern for short, and today’s my birthday! To celebrate this event, I'd like to take you on a journey through my life…. All 360 million years of it! The history of the planet where I (and you, for that matter) come from started about 4.6 billion years ago. Before I came around, a lot of cool stuff had already happened. Oh, how interesting would it have been to see the first liquid water appearing on Earth 4.4 billion years ago. 3 billion years ago was when the first photosynthesizing bacteria appeared. The earliest land fungi that started growing 1.3 billion years ago are also worth mentioning. But I feel pretty bad for them when the land got completely covered with a thick layer of ice 850 to 630 million years ago! Glad I wasn’t around yet! So, guys, are you with me? It's gonna be fun! Other videos you might like:
Stephen Hawking’s 7 Predictions of Earth’s Demise in the Next 200 Years https://www.youtube.com/watch?v=Lq9wipOftXw&
10 Wonderful Facts About Earth You've Never Heard Before https://www.youtube.com/watch?v=Yh_2y4olKvM&
What Would a Journey to the Earth’s Core Be Like? https://www.youtube.com/watch?v=3FoSAHk7DMA& TIMESTAMPS:
What the Earth looked like before I was born 0:31
The largest known insect 😱 2:40
The Golden age of sharks 3:10
A creature I've never met before 3:39
How I saw the first land dinosaur 🐉 5:13
When everything is becoming enormous! 5:44
The Triassic-Jurassic Extinction 6:13
The first blood-sucking insect 7:20
My first love… 💕 7:37
The day I'll never forget 8:22
Who is it? The first primate! 9:08
One of the most beautiful creatures ever 10:16
Oh, those guys look a little bit like you! 👦 11:11 #earthhistory #geochronology #brghtside SUMMARY:
– 485 million years ago, jawless fish appeared. They were the first animals with real bonesю
– 370 million years back in the past, some plants developed special tissue that started to produce wood. That's how forests of tall massive trees appeared on Earth. – While before this time sharks looked more like huge eels rather than deadly torpedo-shaped predators, they now have well-developed teeth and a whole variety of forms and shapes. – A real reptile as you know them today doesn't appear until 305 million years ago. At around that same time, other kinds of reptiles started showing up: the ancestors of modern-day crocodiles, snakes, turtles, and tuatarasю
– More and more different species, including new kinds of fish, are appearing in the oceans. That was about 251 million years back. – I remember seeing the first land dinosaur ever about 225 million years ago. It has a small head sitting on a long neck, and you have no idea how flexible this neck is! – About 201 million years ago, I witness one of the most —biggest events ever, and that's the Triassic-Jurassic Extinction. It wipes out countless animal species both on land and in the oceans. – It's 155 million years ago, and I hear some annoying buzz. It's the first blood-sucking insect, also known as no-see-ums. – The mass extinction occurred 65 million years ago. It wiped out all the dinosaurs and half of other animal species.
– Also, a million years after the extinction, with the giant reptiles out of the way, mammals become the dominant species. – One day, approximately 60 to 55 million years ago, I see a bizarre creature. It has a long tail, climbs the nearby trees, uses its thumbs, and has a family! Later, I find out that it's the first primate. – 35 million years ago I have to start fighting for my home – grasslands begin to expand and diversify, and I do my best to fend off the invaders. – Starting 25 million years ago, it’s as if this planet exploded with life! The first deer, hyenas, giraffes, bears – my neighborhood got a lot noisier almost overnight! – About 4 million years back in the past, I see one of the first creatures that look a little bit like you, my friend. It's an Australopithecus, believed to be your close relative. – About 350,000 years ago, the first archaic humans called Neanderthals appear. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More What Would a Trip Through the Past Be Like? Videos

Ever wondered why airplanes would not always fly in a straight line from one point to another? After all, they’re in the air, what could possibly stop them? Well, there are plenty of reasons for that, and while some are common, others might be harder to explain. Did you know, for example, that planes can't fly over Paris? It seems surprising that the capital of France, despite having four airports within its city limits, has prohibited airspace but it's true! Moscow is another big city over which all flights were prohibited from the 1960s. However, in 2013, a new law was issued that finally allowed commercial airplanes to cross the sky over the Russian capital. Let's find out what the reasons are! Other videos you might like:
Why Planes Don't Fly Over Antarctica https://www.youtube.com/watch?v=dpzX5MJQybw&
A Plane Disappeared And Landed 37 Years Later https://www.youtube.com/watch?v=0AoJddnJ6SA&
Pilots Reveal 16 Nuances That Make Your Flight Safe https://www.youtube.com/watch?v=XVYXErxau-U& TIMESTAMPS:
Kaaba in Mecca, Saudi Arabia 0:20
Machu Picchu, Peru 1:30
Paris, France 2:16
Cuba 2:49
Parthenon in Athens, Greece 3:13
Phoenix Park in Dublin, Ireland 3:43
Constitution Avenue in Islamabad, Pakistan 4:13
Moscow, Russia 4:39
Sri Lanka 5:23
The Himalayas 6:04
Taiwan Strait, China 7:23
Downing Street in London, UK 7:50
Prairie Chapel Ranch near Crawford, Texas 8:24 #kaaba #planes #brightside SUMMARY:
– There’s no airport in Mecca, which makes it illogical for airplanes to fly over the city. This may sound strange, given that Mecca is visited by dozens of millions of people every year, but the Saudi Arabia government is strict in this regard.
– The ban to fly over Machu Picchu has been in place since 2006. The government of Peru doesn’t allow any aircraft to approach the important historical site exactly because of its historical importance, as well as the unique wildlife in the area.
– If you’ve ever been to Paris, you’ve probably smirked now because you’ve seen commercial planes there. There’s an exception, you see: airplanes can only fly no lower than 6,500 ft high. – Cuba is under lock and key when it comes to foreign aircraft. There are, of course, domestic flights there, but any airplane that wants to cross the border of Cuba needs an express permission from the government to do so. – The Parthenon is an ancient Greek monument and a place that thousands of tourists come to see every month. It was seriously damaged in the 17th century, and it’s currently being restored to its former glory.
– Phoenix Park isn’t a place of great strategic interest, but it’s being actively promoted to become a UNESCO World Heritage site.
– In Sri Lanka, pilots must make sure they can traverse the air space over the country at all times, just to be on the safe side.
– Interestingly, there is no prohibition to fly over the Himalayas whatsoever, and airplanes can easily climb higher than most of the mountains there. But still, pilots prefer to avoid tracing their route over them.
– The Taiwan Strait separates China from the island of Taiwan, and the reason why flights are partially prohibited over it is that the two have a rather strained relationship. – There are few places more important for the United Kingdom than Downing Street. It’s home to some of the most prominent British government officials, including the Prime Minister. No wonder airplanes aren’t allowed to fly over this area.
– Prairie Chapel Ranch was a Bush residence while he was the President of the US. A no-fly zone was established there right after Bush became the country’s leader, although he’d bought the ranch more than a year before that. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More Why Planes Don’t Fly Over Kaaba Videos

Thoughts are tangible things; that means what you think and say to yourself tends to manifest itself in the real world and in your future. Successful people understand this better than anyone. That’s why they won’t ever use some phrases. One of them is, of course, ‘I’m not good enough.’ The simple rebuttal to this superstition is ‘Yes you are.’ Whatever it is that you need to overcome to become successful, you can deal with it. Successful people don’t give up easily, because they know obstacles make people hardy and resilient. There’s also a little secret: if something seems too big for you to handle, it just means that you don’t know exactly what actions you need to take. So, here's the list of the phrases you should never say if you wanna be rich. Other videos you might like:
I Tried Rich People's Habits, See How My Life Changed https://www.youtube.com/watch?v=5EnvxbCkiNI&
7 Main Differences Between Rich and Poor People https://www.youtube.com/watch?v=gsTjM2WFAeE&
11 Billionaires With the Cheapest Lifestyle Ever https://www.youtube.com/watch?v=6ofFvvckeOw TIMESTAMPS:
Money is meant to be spent 0:24
Why save if I can live like I want to instead? 0:53
Why invest if I can simply save more money? 1:32
I’m not good enough 1:55
I don’t have enough time 2:36
It’s not my fault I failed 3:08
It’s my fault and I deserved failure 3:37
I just got lucky or unlucky 4:10
It’s too late to go for what I want 4:37
I’m just not that good with money 5:18
I can’t afford it 5:50
Only fools have spare time 6:27
I have everything I need 7:12
Every dog has its day 7:50 #success #howtobecomerich #brightside SUMMARY:
– People who pay more attention to their income are always interested in how it can benefit them in the future.
– Saving is part of this success, and it can help immensely in the future when you decide to invest in something valuable. – Wealth is too unstable if your money isn’t bringing more money. And that’s what investments are basically for. – Successful people don’t give up easily, because they know obstacles make people hardy and resilient. – Paint in your mind a picture of what you can achieve if you just make that dream a priority. You’d be surprised how easy it is to find time for something you actually prioritize.
– People aimed at success are willing to admit fault so that they can immediately figure out what was separating them from their achievement.
– Successful people always try to analyze their mistakes. Everything can become an advantage; there’s no such thing as a total failure.
– If you want success, there’s no age limit! In fact, the wisdom and experience you’ve gained over the years will only work in your favor towards achieving goals at a more mature age.
– A universal rule of thumb for phrases on this list is: “If you state something, it’s becoming the truth this very second.” – If you “can’t afford” something – you’ve lost control over the situation. But if you already thought about it, and you just refuse to go over your budget, it’s become a choice. – There’s no success without quality rest, and a lot of time spent on self-improvement. – Successful people have another phrase that would be a great answer to these: ‘Success is not a destination, but a journey.’ There’s no end to this journey. – All we really have at our disposal is our own time and efforts. Good news – these are also the main ingredients for success. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More 14 Phrases Rich People Avoid to Say Videos

Climbers get stranded on mountains with frightening regularity lately. Their way down may be blocked by avalanches, landslides, or other damage to the route. So, if people can't escape from mountain tops on foot, why not rescue them with the help of helicopters? After all, these machines can land anywhere, right? It turns out that there’s a serious reason why choppers don't fly all the way to the top of high mountains like Everest. Of course, there are special helicopters that can fly way higher than regular ones. They not only have larger blades and extremely powerful engines but they also cost a fortune as you may guess. So what about ordinary helicopters? Other videos you might like: A Helicopter Fell Into a Volcano But It Was a Lucky Day https://www.youtube.com/watch?v=mah3lJb0S2w&
A Glass of Water Saved a Plane From Crashing https://www.youtube.com/watch?v=lhlfw9IVygs&
Scientists Have Shown Who The Yeti Is https://www.youtube.com/watch?v=eCKggQk_DY4& TIMESTAMPS:
How these machines work 🚁 0:38
The helicopter that did make it to the peak of Everest 2:25
Why do some helicopters have wheels? 3:28
Why do they need two rotors? 4:50
Could helicopters fly in the rain? ☔️ 5:56
How about flying at night? 6:33
Could they fly upside down? 🙃 7:00 #helicopter #aviation #brightside SUMMARY:
– While aircraft generate lift with the help of their wings, helicopters need rotors (aka blades) to perform this impressive feat. – The lift produced by the rotors greatly depends on the density of the air. The higher this density is, the more comfortably and safely a helicopter can fly. – And you should also keep in mind that a chopper needs to support not only its own substantial weight, but also the weight of its crew, passengers, and cargo.
– Pilots who fly high-altitude helicopters in the mountains must constantly calculate how much power they’ll need for maneuvers like hovering, taking off, and landing at this or that altitude.
– Almost all early choppers had wheels, just like airplanes. But since emergency landing sites were often just plowed fields, the front wheels of helicopters used to dig in, which made a forward-moving machine highly unstable during landing. – To get a chopper into the air, the main rotor must move and push the air down, which, in turn, will push the heavy machine up.
– It means that if the chopper's rotor moves clockwise, its fuselage would be pushed in the opposite, counter-clockwise direction. – Rain alone does nothing to affect the ability of a chopper to rise into the air. After all, blades still rotate, and thrust still takes the machine upward. On the other hand, rain means low visibility. – Helicopters avoid flying in the dark due to the risk of hitting something, which always ends badly, both for the machine and its crew and passengers. – Some helicopters can indeed fly upside down, but it's by no means an easy feat! Once again, a helicopter rises into the air thanks to the lift produced by its powerful rotors which spin at insane speeds: more than 500 revolutions per minute! Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More That’s Why Helicopters Never Go on Everest Videos

Imagine, you’re on vacation. And you’ve decided to avoid the crowds and go on an adventure to the mountainous landscapes of Scandinavia. What can be better than a nice boat trip down a quiet stream to really take in the views? Nothing speaks of the danger you’re approaching so unknowingly. No matter how much you paddle, all your attempts to get the boat under control are in vain. All the water around you has come alive. It’s not a smooth peaceful surface anymore, but a bubbling vortex! What’s worse, it’s dragging you right into the hungry mouth of a giant beast straight from ancient myths! And it has a name: the Saltstraumen Maelstrom… Other videos you might like:
7 Unique Places Even Scientists Can't Explain https://www.youtube.com/watch?v=8QhuDJvZweI&
7 Ways to Survive Natural Disasters https://www.youtube.com/watch?v=OCjl6tp8dnw&
A New Bermuda Triangle Theory Explains Its Mystery https://www.youtube.com/watch?v=6SWMb4Oh5jY& TIMESTAMPS:
The world’s strongest whirlpool 1:17
How dangerous Saltstraumen Maelstorm is 5:04
The biggest maelstrom in the Western Hemisphere 6:02
Naruto Whirlpool 7:12
The second largest maelstrom in the world and wild swimmers 8:15 #Norway #whirpool #brightside SUMMARY:
– For centuries these whirlpools, or maelstroms, were a thing of legend. There was no explanation for their existence and no power that could get an unfortunate ship out of their trap. – Whirlpools are bodies of spinning water that flows towards the center where two currents smash into each other. The result is the birth of a vortex.
– The Saltstraumen Maelstrom is situated on the northern coast of Norway near a town called Bodø. Norway is famous for its coastline covered in rocky fjords.
– This name can be translated as “salty stream”. And that’s probably because every 6 hours, over 100 billion gallons of salty seawater powers through the current in the strait at an impressive 25 mph.
– The current is ferocious enough to make any effort to swim away almost completely futile.
– And a vortex this size will surely drag anyone underwater within seconds. The water here is extremely cold too, so, yeah, getting sucked in would be a bad situation to say the least!
– On the other hand, the Saltstraumen Maelstorm poses little to no threat to boats or ships nowadays.
– Another huge maelstrom gained famed thanks to authors like Edgar Allan Poe and Jules Verne. It’s the Old Sow Whirlpool – the biggest maelstrom in the Western Hemisphere.
– Sometimes it even shoots weak fountains to the surface so it becomes bloated and unnaturally still. – The current running through the islands of Naruto and Awaji flows at 12 mph. When the spring tides begin, vortices here can be over 65 feet in diameter, which is about as long as a bowling lane. – Corryvreckan’s whirlpool is the second largest maelstrom in the world, and it calms down only for about an hour or so a day.
– Some people actually try to swim across this thing! They’re called “wild swimmers” and the Gulf of Corryvreckan is a hotspot for them. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More How Deep Is the World’s Strongest Current? Videos

Imagine, you’re on vacation. And you’ve decided to avoid the crowds and go on an adventure to the mountainous landscapes of Scandinavia. What can be better than a nice boat trip down a quiet stream to really take in the views? Nothing speaks of the danger you’re approaching so unknowingly. No matter how much you paddle, all your attempts to get the boat under control are in vain. All the water around you has come alive. It’s not a smooth peaceful surface anymore, but a bubbling vortex! What’s worse, it’s dragging you right into the hungry mouth of a giant beast straight from ancient myths! And it has a name: the Saltstraumen Maelstrom… Other videos you might like:
7 Unique Places Even Scientists Can't Explain https://www.youtube.com/watch?v=8QhuDJvZweI&
7 Ways to Survive Natural Disasters https://www.youtube.com/watch?v=OCjl6tp8dnw&
A New Bermuda Triangle Theory Explains Its Mystery https://www.youtube.com/watch?v=6SWMb4Oh5jY& TIMESTAMPS:
The world’s strongest whirlpool 1:17
How dangerous Saltstraumen Maelstorm is 5:04
The biggest maelstrom in the Western Hemisphere 6:02
Naruto Whirlpool 7:12
The second largest maelstrom in the world and wild swimmers 8:15 #Norway #whirpool #brightside SUMMARY:
– For centuries these whirlpools, or maelstroms, were a thing of legend. There was no explanation for their existence and no power that could get an unfortunate ship out of their trap. – Whirlpools are bodies of spinning water that flows towards the center where two currents smash into each other. The result is the birth of a vortex.
– The Saltstraumen Maelstrom is situated on the northern coast of Norway near a town called Bodø. Norway is famous for its coastline covered in rocky fjords.
– This name can be translated as “salty stream”. And that’s probably because every 6 hours, over 100 billion gallons of salty seawater powers through the current in the strait at an impressive 25 mph.
– The current is ferocious enough to make any effort to swim away almost completely futile.
– And a vortex this size will surely drag anyone underwater within seconds. The water here is extremely cold too, so, yeah, getting sucked in would be a bad situation to say the least!
– On the other hand, the Saltstraumen Maelstorm poses little to no threat to boats or ships nowadays.
– Another huge maelstrom gained famed thanks to authors like Edgar Allan Poe and Jules Verne. It’s the Old Sow Whirlpool – the biggest maelstrom in the Western Hemisphere.
– Sometimes it even shoots weak fountains to the surface so it becomes bloated and unnaturally still. – The current running through the islands of Naruto and Awaji flows at 12 mph. When the spring tides begin, vortices here can be over 65 feet in diameter, which is about as long as a bowling lane. – Corryvreckan’s whirlpool is the second largest maelstrom in the world, and it calms down only for about an hour or so a day.
– Some people actually try to swim across this thing! They’re called “wild swimmers” and the Gulf of Corryvreckan is a hotspot for them. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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Hey air-travelers! What’s your favorite time during a flight? The take-off, the landing? Or maybe the moment your plane climbs just above the clouds? Ahh, the view is magical. But have you ever wondered what would happen if your plane starts to climb even higher? Well, it's time to get some answers. The first thing you should know is that the higher a plane flies, the faster it goes, and the cheaper it is. Air molecules are responsible for that. And since flying higher is more relaxed, more economic and safer, wouldn’t it make more sense if an airliner flew even higher? Actually, it’s a bit more complicated than that. Let's figure out! Other videos you might like:
A Plane Disappeared And Landed 37 Years Later https://www.youtube.com/watch?v=0AoJddnJ6SA&
A Plane Lost Its Roof at 24,000 Feet But Managed to Land https://www.youtube.com/watch?v=r4gRGLsdKv4&
Why No One Can Bring Liquids on a Plane https://www.youtube.com/watch?v=OYWYaN5YlqI& TIMESTAMPS:
Why planes fly as high as they do 0:31
Why they can’t fly higher 3:07
What the coffin corner is 4:29
Speed limits 5:49
How to save a plane when it’s approaching supersonic speeds 7:49 #planes #aviation #brightside SUMMARY:
– When a plane flies higher, less air is pushing down from above – therefore the air molecules spread out more, decreasing the air’s density.
– When an aircraft flies through less air molecules, it needs to adjust its speed in order to get enough air and lift itself. – When the plane travels rapidly at higher altitudes, it consumes less fuel while taking you to your destination faster.
– All the turbulence, clouds, rain and bad weather in general, stay below the plane’s altitude, so we can enjoy a smooth, non-eventful flight. – Pilots have more time to fix the problem and communicate with the controllers before they make an emergency landing. – One of the main reasons a jet can’t fly higher is because there won’t be enough air flowing through its engine. – When the air density decreases, the engine thrust does the same. – When both the speed of sound and temperature drop in high altitudes, the true airspeed will increase. And at some point, they’ll meet. That’s what pilots call the coffin corner, and it’s as dangerous as it sounds. – If a plane reaches that point, and it decelerates, it’ll go into a low speed stall. If it goes faster, it’ll end up in a high-speed stall. Neither of those are safe.
– Planes usually fly at around Mach 0.7 or 70% of the speed of sound. If an aircraft goes faster than that, it can cause shockwaves to form. – If all these events happen in the coffin corner, it’ll break the aircraft into pieces. – At certain altitudes, an aircraft has a minimum speed limit and a maximum speed limit. – As the aircraft goes slower, the drag increases. The slower the jet goes, the more thrust it needs to be controlled.
– But the way they save a plane when it’s approaching supersonic speeds is a whole different story – and this is actually a bit more common. – They slowly bring the thrust back a little bit, and gradually raise the air brakes. Everything is done in slow movements, because a sudden change can cause shockwaves that’ll roll the plane. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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