Having an accurate eye is an ability we use to measure the distance to objects as well as the distance between them and compare their sizes and shapes. The accuracy of our eyes grows with experience and is usually developed better in people who often rely on their eyes at work. Additionally, perfectionists can have really sharp eyesight. Some people believe that their eyes are eagle-like and that their attention is sharp, but only a few of them are able to solve these riddles in seconds. Are you used to trusting your eyes and are you sure that they never cheat you? Here's a set of riddles to check how sharp your eyes are! For each correct answer, you'll get 1 point. You'll find your results at the end of the video. #brightside Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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That might create enough force to suck something small out of the hole, like an unlucky carry-on. Airplane windows are round because that way, the air pressure is evenly distributed. If the windows were square, air currents would be able to find a weakness, and they’d crack easier. Loss of pressure can lead to something way more serious, an in-flight fire. And it’s not the only reason a fire would break out on a plane. But what happens when a plane goes on fire? How dangerous is an engine fire on a plane? And what are the common fire hazards in the aircraft? #brightside TIMESTAMPS:
Can a plane fly with a hole in the side? 0:11
An engine fire on a plane 0:49
What else can catch fire 1:50
Why pilots can't have beards 2:53
Is lightning dangerous for planes? 4:05
Why you feel more emotional on a plane 4:45
"Airplane air" 6:03 Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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You’re cruising up in the sky, traveling to another country for your long-awaited vacation. But emergencies can happen anywhere, anytime. Let’s say the plane you’re traveling in has… a hole in it. As long as it’s really small, it’s not a big deal. Definitely not powerful enough to throw off the pressurization system. But if a window accidentally blows off, it’s officially a problem. That’s gonna mean severe loss of pressure and it might be enough to depressurize the whole cabin. That might create enough force to suck something small out of the hole, like an unlucky carry-on. Airplane windows are round because that way, the air pressure is evenly distributed. If the windows were square, air currents would be able to find a weakness, and they’d crack easier. Loss of pressure can lead to something way more serious, an in-flight fire. And it’s not the only reason a fire would break out on a plane. But what happens when a plane goes on fire? How dangerous is an engine fire on a plane? And what are the common fire hazards in the aircraft? #brightside TIMESTAMPS:
Can a plane fly with a hole in the side? 0:11
An engine fire on a plane 0:49
What else can catch fire 1:50
Why pilots can't have beards 2:53
Is lightning dangerous for planes? 4:05
Why you feel more emotional on a plane 4:45
"Airplane air" 6:03 Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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Technology is developing rapidly nowadays, and if we look at the prototypes or the versions of some everyday objects available a few decades ago, we will hardly believe our eyes. The originals may look unsophisticated, funny, or awkward, but they paved the way for future technologies to come. We want to tell you about how some common things looked in the past and invite you to compare them with their existing counterparts. Did you know, for example, that the world's first smartphone was released in 1992, its popularity was short-lived because the battery lasted only an hour? The thing weighed almost as much as a basketball! The first electronic computer was the size of a room! It supposedly did more calculations over its 10 years in operation than all of humanity had done until its invention in 1946. The first commercial TV sets were created in 1934. The cheapest 12-inch model cost about $8,000 in the modern equivalent! #brightside Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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Technology is developing rapidly nowadays, and if we look at the prototypes or the versions of some everyday objects available a few decades ago, we will hardly believe our eyes. The originals may look unsophisticated, funny, or awkward, but they paved the way for future technologies to come. We want to tell you about how some common things looked in the past and invite you to compare them with their existing counterparts. Did you know, for example, that the world's first smartphone was released in 1992, its popularity was short-lived because the battery lasted only an hour? The thing weighed almost as much as a basketball! The first electronic computer was the size of a room! It supposedly did more calculations over its 10 years in operation than all of humanity had done until its invention in 1946. The first commercial TV sets were created in 1934. The cheapest 12-inch model cost about $8,000 in the modern equivalent! #brightside Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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Ticks aren’t just forest-dwellers. They’re everywhere! In the city park or your beautiful suburban yard. Where you’re not as likely to see one is crawling around on your walls. Like that guy out there. Wait, this is no tick – it’s a crab spider! Easily recognizable from his longer four arms in the front, and shorter four back legs. Like a crab, yes. Must’ve been what the scientist who named it thought too! But it’s mostly the way they move that won them the nickname – they walk sideways like a crab on the beach. From a distance, it looks like a tick. Up close, not really at all. The crab spider’s body is broken up into two sections, like any ol’ regular spidey. Looking closely at a tick, you’ll notice its body is just one solid flat piece. Now, grab a magnifying glass and look closer! You’ll see crab spiders have 8 eyes. Ticks have none. Remember, they see the world by smelling with their feet. Ticks are parasites. They feed on us and other animals like walking juice-boxes! A crab spider has no interest in your blood. So don’t be so rude as to squish them. They’re trying to keep your house clean! #brightside TIMESTAPMS:
How to identify a crab spider 1:03
What do crab spiders eat? 2:18
Are they venomous? 3:29
The Giant Crab Spider! 3:41
Peanut-Headed Lanternfly 4:00
The caterpillar of the Elephant Hawk-Moth 4:30
Happy-Face Spider 5:15
The Leaf Bug 5:58
The Ghost Mantis 6:33
The Walking Stick 6:57
The Thorn Bug 7:16 The Tentacle Bug 7:46
The Troll-Haired Insect 8:33
The Emerald Moth Caterpillar 9:00 Hawaiian happyface spider: By Melissa McMasters, https://commons.wikimedia.org/w/index.php?curid=74528278
Umbonia crassicornis (F. Membracidae): By Marshal Hedin, https://commons.wikimedia.org/w/index.php?curid=24866505
Creatonotos gangis: By Hsu Hong Lin, https://commons.wikimedia.org/w/index.php?curid=65446111
Wavy-lined Emerald – Synchlora aerata: By Judy Gallagher, https://commons.wikimedia.org/w/index.php?curid=54723264
Caterpillar of emerald moth, Synchlora aerata: By Beatriz Moisset, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, https://commons.wikimedia.org/w/index.php?curid=80857478
Animation is created by Bright Side. Preview photo credit: Crab Spider Xysticus Female: By imago/blickwinkel/EAST NEWS, https://www.eastnews.ru/pictures/picture/id/54055226/i/38/t/44
Animation is created by Bright Side. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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#brightside TIMESTAMPS:
How to identify a crab spider 1:03
What do crab spiders eat? 2:18
Are they venomous? 3:29
The Giant Crab Spider! 3:41
Peanut-Headed Lanternfly 4:00
The caterpillar of the Elephant Hawk-Moth 4:30
Happy-Face Spider 5:15
The Leaf Bug 5:58
The Ghost Mantis 6:33
The Walking Stick 6:57
The Thorn Bug 7:16 The Tentacle Bug 7:46
The Troll-Haired Insect 8:33
The Emerald Moth Caterpillar 9:00 Hawaiian happyface spider: By Melissa McMasters, https://commons.wikimedia.org/w/index.php?curid=74528278
Umbonia crassicornis (F. Membracidae): By Marshal Hedin, https://commons.wikimedia.org/w/index.php?curid=24866505
Creatonotos gangis: By Hsu Hong Lin, https://commons.wikimedia.org/w/index.php?curid=65446111
Wavy-lined Emerald – Synchlora aerata: By Judy Gallagher, https://commons.wikimedia.org/w/index.php?curid=54723264
Caterpillar of emerald moth, Synchlora aerata: By Beatriz Moisset, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, https://commons.wikimedia.org/w/index.php?curid=80857478
Animation is created by Bright Side. Preview photo credit: Crab Spider Xysticus Female: By imago/blickwinkel/EAST NEWS, https://www.eastnews.ru/pictures/picture/id/54055226/i/38/t/44
Animation is created by Bright Side. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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How do electric eels generate electricity? Why do they don't hurt themselves with it? And did they really help to create batteries? By the way, an electric eel is not an eel at all. It’s a fish and it's closer to the carp or catfish family. An electric eel can't breathe in water like fish do. It needs to come up to the surface and breathe the air above. Besides, they jump out of the water to attack predators — this is their way of protecting themselves. The eels' electric power can reach more than 600 volts. This burst of energy is enough to knock an adult horse off its feet. Previously, when people discovered this fish for the first time, they placed it in an aquarium and transported it around the world. In Europe, the eel was shown at exhibitions, and people considered it a real monster. But thanks to science, we now know how this fish generates electricity. #brightside TIMESTAMPS:
So, how does it do that? 0:45
How the world's first battery was created 3:17
One of the weirdest fish releasing an electric discharge 4:59
Other animals that can generate electricity 5:50 Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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An electric eel can't breathe in water like fish do. It needs to come up to the surface and breathe the air above. Besides, they jump out of the water to attack predators — this is their way of protecting themselves. The eels' electric power can reach more than 600 volts. This burst of energy is enough to knock an adult horse off its feet. Previously, when people discovered this fish for the first time, they placed it in an aquarium and transported it around the world. In Europe, the eel was shown at exhibitions, and people considered it a real monster. But thanks to science, we now know how this fish generates electricity. #brightside TIMESTAMPS:
So, how does it do that? 0:45
How the world's first battery was created 3:17
One of the weirdest fish releasing an electric discharge 4:59
Other animals that can generate electricity 5:50 Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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Our Social Media:
Facebook: https://www.facebook.com/brightside/
Instagram: https://www.instagram.com/brightgram/
5-Minute Crafts Youtube: https://www.goo.gl/8JVmuC Stock materials (photos, footages and other):
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