Hey guys! Did you know that not only did we domesticate cats over 10,000 years ago — we did it twice? How did we convince these finicky felines to move in? Okay, we didn’t. It was probably their idea. Even though cats are domesticated animals, it’s more accurate to say that cats domesticated themselves. But cats weren’t the first animals to do so. That honor goes to the dogs. Dogs fell in love with us the moment we started the whole hunting and cooking over fire thing. Cats, of all kinds, were lurking around those same campfires, but they had no interest in helping us hunt or herd, and our attempts to train them failed. Other videos you might like:
26 Facts About Cats That'll Make You Love Them https://www.youtube.com/watch?v=wO_EunoUSWg
Why Cats Lie on Their Backs When They See You https://www.youtube.com/watch?v=gkaZSwCpDVE
Why Cats Are Sooo Scared of Cucumbers? https://www.youtube.com/watch?v=jQdBsRWy2WQ TIMESTAMPS:
How we domesticated rats and mice 1:59
The best mousetrap 2:41
You aren't your cat's master 3:22
A type of marking you won’t see in your house cat 5:03
Quanhucun cats 6:54
What happened to them? 7:41 #cats #pets #brightside SUMMARY:
– We started planting edible food, like grain. At which point, you could say, we domesticated rats and mice. – They ate all our grain, left a mess, and brought disease. – And that’s when cats found their niche in the human world. Cats love mice! – Wherever people stored grain, rats and mice moved in, and then cats showed up to catch them. – It wasn’t long before people started encouraging the kitties to stay. Maybe not offering them the best spot in front of the fire, but…. letting them take it. – Compare a tabby cat, or Felis Catus, to her ancestor, Felis Sylvestris, also called the African Wild Cat or “Middle Eastern Wildcat.” – Today’s housecats share an almost identical genetic make-up with their wild ancestor—and one of the few ways to tell them apart is by the markings on their coats, which generally don’t last long enough to be dug up in an archeological site. – One type of marking you won’t see in your house cat—except two occasions I’ll tell you about later—is leopard spots. – Dot hungry breeders have crossed Felis Catus with other species to get spotted offspring… with varying degrees of success. The Savannah Ocicat and Bengal are two examples. – Recent excavations in the early farming village Quanhucun, in central China, show that 5,000 years ago, Chinese farmers enjoyed the company of Quanhucun cats. – Archeologists even found one Quanhucun Cat so carefully buried that its skeleton remained intact for thousands of years, proving that someone thought it was pretty special. – Today, cats are the most popular pets in the world. People in the U.S. alone love nearly 75 million of them! Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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🙂 Based on an Untrue Story 🙃 It all started about a century and a half ago. Girls just stopped being born — every child in every family was a boy. At first, people didn’t pay much attention to it, and in some more traditional cultures, it was even considered good luck! Families got hale and hearty heirs, and all was well. But then, after a while, they started feeling that something was off. This was especially evident in smaller communities, where children weren’t born as often as in big cities and everyone knew each other. A boy here, a boy there. No girls in sight. Ten years passed, and there were hundreds and thousands of boys approaching their teenage years — but still no girls… Other videos you might like:
No Boys Were Born In a Mystery Village for 10 Years https://www.youtube.com/watch?v=SuVrHAkSElQ&
10 Amazing Things You Did Before You Were Born https://www.youtube.com/watch?v=vVOFzbemGmk
Here's What Your Baby Will Look Like https://www.youtube.com/watch?v=KELSthXPoSs& TIMESTAMPS:
Strange generation 1:15
Why the world would be unstable 3:48
Demographic collapse 4:20
When a miracle happened 5:36
The first girl in over a hundred years! 6:50
Hope springs eternal 8:40 #whatif #demography #brightside SUMMARY:
– There were, of course, girls in schools, those aged from 11 upwards, so there wasn’t much concern about demographics even then.
– Kindergartens had more troubles, though. There were simply no girls at all — they looked like boarding schools for boys more than anything else.
– TV, radio, and the Internet started issuing news about the problem, and soon it became obvious that it was the same all over the world: nobody had given birth to a girl for many years. – Boys are highly inflammable by nature, and conflicts arose daily. If the smallest of the kids could still be reined in, teenagers were becoming downright unruly. – Years flew by, and the world was growing less and less stable. Everyone under the age of 40 was male, no exceptions. – After a hundred years came recession. No women were left in the world, and even the word became somewhat archaic.
– No kids at all. Kindergartens were all closed and abandoned; schools were growing sparse, with fewer and fewer students attending, until there were none left there either. – But then… a miracle happened. One scientific laboratory specializing in gene modifications suddenly informed the world that its researchers managed to create an embryo with two similar types of chromosomes, XX.
– In less than a year, it became obvious that the genetic experiment was a success. The embryo was alive and well, growing inside a special vial with everything it could need.
– The news made headlines across the planet. The first girl in over a hundred years! And her name was Aurora…
– She met with people, talked to them, and they wondered at her, having never seen anyone like her. – Thanks to Aurora’s genetic material, scientists have been able to create several more embryos. They were all alive and well. And 5 of them… were female. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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When it comes to finding diamonds in the ocean, you probably think about sunken treasures that went down with pirate ships and Spanish galleons. Maybe you’d like to find the Flor de la Mar, which sank in 1511 and took with it 200 chests of treasure, including diamonds the size of your fist! But there are lots of diamonds at the bottom of the sea that didn’t go down with a ship. How did they get there? Well, natural diamonds come from the Earth’s mantle, 100 miles or more beneath our planet’s surface. If you could hop in your car and drive that distance, it’d take you 2 hours at highway speeds! So, if they form so deep, how do any end up here with us on the surface? Other videos you might like:
The Story of the Hope Diamond Which Ruined Its Owners' Lives https://www.youtube.com/watch?v=uo4RzWdBerY&
The Bermuda Triangle Mystery Has Been Solved https://www.youtube.com/watch?v=q_5n7URd2Gk&
What Would a Trip to the Mariana Trench Be Like? https://www.youtube.com/watch?v=eeW1DU05j7U& TIMESTAMPS:
How did they get there? 1:05
Are there volcanos underwater?! 🌋 1:44
How to make a diamond 💎 3:45
Is it possible to get diamonds from the seafloor? 5:51
The most efficient method 7:56 #diamond #treasure #brightside Preview photo credit: The Hope Diamond in the National Museum of Natural History, Washington D.C., 2014: By Mbalotia – Own work, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, https://commons.wikimedia.org/w/index.php?curid=32204195
Animation is created by Bright Side. SUMMARY:
– If the lava spews up from a deep enough layer (like 100 miles down), then diamonds shoot out! – Volcanos erupt when the tectonic plates beneath them move around. This releases all kinds of hot stuff underneath.
– A subduction zone is a place where huge tectonic plates shift around underwater. – But how do diamond-hunters find subduction zones all the way at the bottom of the ocean? Good question because it’s not easy, even for scientists!
– You can make a diamond from anything with carbon in it. Just gotta add heat and pressure. – While nowhere near as pretty as natural diamonds, these human-made, or “industrial” diamonds have plenty of uses.
– From the drills that your dentist uses on your teeth to the saws that cut through trees and metal, all sorts of blades are made with industrial diamonds.
– Diamonds are also great conductors of heat, and they can withstand high temperatures.
– Some facial exfoliators even have ground-up diamonds in them! – The river’s current carries sediment downstream. And if the river washes through a diamond mine? The sediment will have diamonds! – People kept finding more, and they still do today!
– But companies like De Beers, a big shot in the diamond industry, have found a more efficient method. – Vessels have giant vacuums that reach through the water and suck up those sparklers! Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More They Found Rare Diamonds on the Bottom of the Ocean Videos

When it comes to finding diamonds in the ocean, you probably think about sunken treasures that went down with pirate ships and Spanish galleons. Maybe you’d like to find the Flor de la Mar, which sank in 1511 and took with it 200 chests of treasure, including diamonds the size of your fist! But there are lots of diamonds at the bottom of the sea that didn’t go down with a ship. How did they get there? Well, natural diamonds come from the Earth’s mantle, 100 miles or more beneath our planet’s surface. If you could hop in your car and drive that distance, it’d take you 2 hours at highway speeds! So, if they form so deep, how do any end up here with us on the surface? Other videos you might like:
The Story of the Hope Diamond Which Ruined Its Owners' Lives https://www.youtube.com/watch?v=uo4RzWdBerY&
The Bermuda Triangle Mystery Has Been Solved https://www.youtube.com/watch?v=q_5n7URd2Gk&
What Would a Trip to the Mariana Trench Be Like? https://www.youtube.com/watch?v=eeW1DU05j7U& TIMESTAMPS:
How did they get there? 1:05
Are there volcanos underwater?! 🌋 1:44
How to make a diamond 💎 3:45
Is it possible to get diamonds from the seafloor? 5:51
The most efficient method 7:56 #diamond #treasure #brightside Preview photo credit: The Hope Diamond in the National Museum of Natural History, Washington D.C., 2014: By Mbalotia – Own work, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, https://commons.wikimedia.org/w/index.php?curid=32204195
Animation is created by Bright Side. SUMMARY:
– If the lava spews up from a deep enough layer (like 100 miles down), then diamonds shoot out! – Volcanos erupt when the tectonic plates beneath them move around. This releases all kinds of hot stuff underneath.
– A subduction zone is a place where huge tectonic plates shift around underwater. – But how do diamond-hunters find subduction zones all the way at the bottom of the ocean? Good question because it’s not easy, even for scientists!
– You can make a diamond from anything with carbon in it. Just gotta add heat and pressure. – While nowhere near as pretty as natural diamonds, these human-made, or “industrial” diamonds have plenty of uses.
– From the drills that your dentist uses on your teeth to the saws that cut through trees and metal, all sorts of blades are made with industrial diamonds.
– Diamonds are also great conductors of heat, and they can withstand high temperatures.
– Some facial exfoliators even have ground-up diamonds in them! – The river’s current carries sediment downstream. And if the river washes through a diamond mine? The sediment will have diamonds! – People kept finding more, and they still do today!
– But companies like De Beers, a big shot in the diamond industry, have found a more efficient method. – Vessels have giant vacuums that reach through the water and suck up those sparklers! Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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We’re all familiar with that certain sting of guilt that comes after a good meal that was way too much. Most of us are trying to maintain our health and level of fitness, while the media is teeming with warnings about extra calories. Calories are generally a unit of measurement used to determine the amount of energy contained inside of something. Just like rocket fuel provides the rocket with energy – people use food for fuel. An average human burns 2,500 calories throughout the day. So you need to consume relatively the same 2,500 calories in a day to maintain yourself in the same shape you currently are. But what would happen if you ate 100,000 calories in a single day? Is that even possible? Other videos you might like:
15 FOODS THAT'LL NEVER MAKE YOU FAT https://www.youtube.com/watch?v=fPxDjkqAE2I
Why Japanese Are So Thin According to Science https://www.youtube.com/watch?v=jxsnYsA549Y&
What Will Happen If You Start Eating Oats Every Day https://www.youtube.com/watch?v=7uJLXIdvs40& TIMESTAMPS:
What 10,000 calories look like 2:36
Competitive eaters. Who are they? 3:00
You can eat more food than usual if… 5:33
The eater of Olympic scale 6:03
What will happen if you eat more than 2,500 calories per day 7:30 #calories #healthydiet #brightside SUMMARY:
– An average human burns 2,500 calories throughout the day, depending on their size and metabolism. That’s more than enough energy to boil a little under 2 gallons of water.
– 100,000 calories is an energy value of 42 gallons of whole milk – that’s a bathtub filled to the brim with milk we’re talking about.
– That would be a pepperoni pizza roughly 100 ft in diameter. Or, if you prefer burgers, it would about 300 reasonably sized cheeseburgers. – If yes, then you need to consider your future as an absolute champion in competitive eating. There are a lot of them around the globe.
– The champions among them claim to have eaten up to 200,000 calories during one such tour from one contest to another.
– One competitive eater stated that he once chewed his way through as much as 20,000 calories in one meal. – But these people are surprisingly fit, spending most of their days eating pretty humble meals and doing a ton of hardcore workouts in a gym.
– Remember, anything even remotely close to the competitive eating standards of over 10,000 calories is extremely dangerous, and can be approached only by trained people.
– Men can naturally eat more than women, and a growing and maturing teenager can eat much more than just about anyone.
– The sensation of the Olympic Games, American swimmer Michael Phelps, is also an eater of Olympic scale.
– Three fried eggs, toast with a lot of vegetables, a five-egg omelet, three French toasts, a bowl of grits and two cups of coffee – that’s just breakfast! – For an ordinary person, anything beyond 2,500 calories per day would lead to gaining excess weight. – 100,000 calories worth of food would be equal to 29 pounds of pure fat. – But having body fat is only half of the problem, the real problems begin when around 10% of this fat turns into so-called visceral fat. – An overweight person is also more likely to have problems with internal balance, sweating, and most of all – with the heart pumping like it’s going to blow up. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More What If You Ate 100,000 Calories in One Day Videos

Hey guys! How about a quick 24-hour trip through the history of our planet? That’s right – 4.5 billion years in just 1 day! In real time, the magnetic poles switch places every 250,000 years. Yep, North becomes South, and South is the new North – magnetically, at least! But on this 1-day-old planet, they’re changing 12 times a second! Also, the continents move about 1 inch per year to form a supercontinent. That happens every 400 million years. But today, they’re merging and breaking up every 2 hours! And you know what? Out of an entire 24-hour day, our species only showed up right at the last minute! Other videos you might like:
10 Wonderful Facts About Earth You've Never Heard Before https://www.youtube.com/watch?v=Yh_2y4olKvM&
Stephen Hawking’s 7 Predictions of Earth’s Demise in the Next 200 Years https://www.youtube.com/watch?v=Lq9wipOftXw&
12 Facts That'll Change Your Perception of Time Forever https://www.youtube.com/watch?v=CDso1ph6004& TIMESTAMPS:
The first single-celled organisms 1:01
When it starts to get chilly ❄️ 1:51
We FINALLY have something familiar! 2:33
Earth freezes over again ❄️ 2:54
Mammals are taking over the land 4:44
A mass extinction 😳 5:27
Dinosaurs! 5:43
The second mass extinction in an hour 6:04
By 11:00 pm, we have the first birds 🐦
The largest animal that ever existed 6:26
It’s 11:58 pm, still no signs of people 😕 8:48
What happens 2 seconds before the day ends 9:03 #Earth #funhistory #brightside SUMMARY:
– At around 12:00am, the young Earth collides with another planet called Theia. Will you look at that – the moon is born! – At 5:30am, we see the first single-celled organisms starting their life in the ocean. – By 11am, photosynthesizing bacteria have managed to take in enough sun for the past 6 “hours” (aka, a billion years) to fill the atmosphere with the byproduct they let out: oxygen!
– At 11:35, it starts to get chilly. A mere second later, it’s freezing cold, and we have the first snowball on Earth.
– At 7:20pm, we FINALLY have something familiar: sponges!
– It’s 7:55, and the Earth freezes over again. Time for a 2-minute ski sesh before everything melts.
– At around 8:30, we can remove our sun-protecting gear because now the Ozone layer appears. – By 8:45, life is flourishing in the sea. We now have jellyfish swimming around corals. – It’s 9:10pm, the moon is up, the sea creatures are getting a little stir-crazy, so they decide to explore the land. – By 9:45, we have the first 4-legged animals appearing in shallow waters. – By 10:30, everything vanishes, we can hardly see any animals. A mass extinction takes place. Only 5% of the species survive. I’m not sure what caused it. – 10:34, and the moment is here. The dinosaurs are finally making an appearance. The first one was the Nyasasaurus.
– 10:45 marks another mass extinction. Boy, it’s the second one in an hour. But thankfully, our dinosaur friends make it. – It’s 11:03, and we have the first kangaroo ancestors. These are the first animals that carry their babies in a pouch. – By 11:17, dinosaurs are reaching their full size. It’s like Jurassic Park around here! Look at the Argentinosaurus. This guy was the largest animal that ever existed.
– It’s 11:26. A giant asteroid coming right our way! It smashes into the Earth, and dust flies everywhere. A few seconds later, everything clears up, but the dinosaurs have disappeared.
– It’s 11:58pm, and still no signs of people. But the chimpanzees and bonobos appear suddenly!
– It’s 11:59 and 23 seconds, and we FINALLY have full-blown humans over in Africa! A second later, they start migrating all over the world. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More What If Earth’s Age Was Just 1 Day Videos

Did you know that the Earth's orbit isn’t a circle, but an oval-shaped ellipse? And the length of the day is actually not 24 but 23.93 hours. We, humans, take these facts for granted. But what if one day, we had to move the entire planet to a completely new orbit and change the existing order? Before we figure out if there’s any way to push our planet out of its orbit, let's find out why we might need to do so! The thing is that our doomsday is approaching. Even if the planet doesn't get overheated due to global warming, the sun will finish it off… But don't be scared, it’s not happening tomorrow. Other videos you might like:
The Solar System Is Not Like You Think It Is https://www.youtube.com/watch?v=-FvpAe3MacM&
A Potentially Habitable Super Earth Has Been Discovered https://www.youtube.com/watch?v=6dUYK41ElO0&
A Journey to the End of the Universe https://www.youtube.com/watch?v=4qndOMjlThc& TIMESTAMPS:
Why the sun is our planet's biggest enemy ☀️ 0:46
Can we migrate to another planet? 2:29
Is moving the Earth to a new orbit possible❓ 3:33
Possible solutions:
– A mega-strong and long lasso 4:20
– A gigantic light sail 5:22
– Electric thrusters 5:58
What would happen if we could do that 7:49 #future #Earth #brightside SUMMARY:
– The star is getting hotter and hotter as the centuries pass. And one day, about 5 billion years from now, the sun will inevitably turn into a swollen red giant. About 2 billion years later, the sun will swallow the Earth.
– Long before that, in about 1 billion years, the sun will have already grown more than 11% brighter. It’ll make the average temperature on Earth rise to at least 120 degrees F. – Even this increase in temperature will lead to the World Ocean getting dramatically warmer. The water will start to evaporate like it does when you leave a pot of water in the sun. – The hydrogen, which is a crucial building material for all kinds of living cells, will slowly but surely leak into space. – If our descendants want to stay alive, they’ll have to migrate to another planet or maybe even galaxy!
– It’d still take thousands of years to deliver all the Earth's inhabitants to their new home. Also, it’d take unimaginable amounts of fuel – even if people flew no further than to another planet in the Solar System.
– That's why another option will likely come into play: people will have to change the orbit of the planet before the disaster strikes to avoid the tragic outcome! – Scientists have even calculated that to keep leading a comfortable life (or at least survive), people would have to change the orbit of the planet so that it's 9.5% further from the sun than it is now.
– At first, a mega-strong and long lasso may seem to be the simplest solution. – But where can you find a material strong enough to carry the weight of the whole planet? Besides, how can you be sure that this asteroid will take you exactly where you need to get?
– Maybe an effective way out would be moving the planet out of its orbit with the help of a gigantic light sail?
– But once people calculate all the details, they'll find out that the reflective disk of the light sail would have to be more than 19 times bigger than the diameter of the planet! – An electric thruster could become a cool alternative, especially if we talk about ion drives! Come to think of it, this method could work out! And if people managed this unprecedented feat and DID change the orbit of the planet as planned, there’d be some noticeable changes.
– Our planet's orbital speed would drop down from 18.6 to 17.7 miles per second. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More What If We Move the Earth to a New Orbit Videos

You probably aren’t the only one looking to pull the ol’ switcharoo. Even if just a few passengers do it, they could throw the plane off balance! And since most aircraft are incredibly sensitive to changes in their center of gravity, it can lead to dramatic consequences. During takeoff, pilots must know the distribution of weight on the plane to make exact calculations. If these calculations are off even the slightest, there are chances that the aircraft can crash while leaving the ground. So before nestling in a more comfortable or spacious spot, ask a cabin crew member if you're allowed to do so. Other videos you might like:
What Will Happen If Planes Fly Almost to Space https://www.youtube.com/watch?v=dXtNco_oA_Y&
Pilots Reveal 16 Nuances That Make Your Flight Safe https://www.youtube.com/watch?v=XVYXErxau-U&
What Happens When a Bird Flies Into a Plane Engine https://www.youtube.com/watch?v=CozYL-_ttEc& TIMESTAMPS:
You can cause problems controlling the plane! 0:24
Other things to know for a safe flight:
– Your tray table 2:16
– Your seat 2:32
– Size matters 2:54
– Sitting near an emergency exit 3:07
– Window shades 3:29
– Fly non-stop 3:54
– Wear proper clothing 4:39
– Prepare a "run kit" 6:26
– Strange-looking packages 7:40
– What about the safest sea? 7:58 #planes #safety #brightside SUMMARY:
– If the calculations are off even the slightest, there are chances that the aircraft can crash while leaving the ground. – By the way, if the airport staff load baggage incorrectly, for example, in the rear compartment instead of the front one, it can also mess with the plane's balance. – Always secure your tray table as soon as the plane starts moving on the tarmac, and never lower it during takeoff and landing.
– Like a lowered tray table, a reclined seat can seriously slow down an evacuation since it’ll block the person sitting behind you.
– If you’re on a larger aircraft, you have higher chances of surviving a possible accident. – Remember that sitting near an emergency exit means not only more leg room but also more responsibility. That's why only able-bodied adults can occupy such seats.
– Follow cabin crew instructions to open window shades during takeoff and landing. This way, flight attendants can see what's happening outside.
– Fly non-stop without connections if you can. An overwhelming majority of plane crashes happen during the first 3 and last 8 minutes of the flight. – Wearing proper clothing will reduce your risks during air travel. Try to wear clothes made of natural fibers such as wool, cotton, leather, and denim.
– Prepare a "run kit" and make sure it's with you at all times. Such a kit should contain your passport, wallet, cell phone, credit cards and cash, any necessary medications, and a list of emergency contacts. – Don't stuff heavy objects into overhead lockers. They can fall out during severe turbulence and injure you or other passengers.
– If you see some suspicious activity or strange-looking packages, immediately inform the cabin crew.
– It might be a waste of time to look for the safest seat on the plane because it probably doesn’t exist. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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More Why No One Should Swap Seats on a Plane Videos

When the battery runs out, it’s nerve-racking, but unfortunately, it happens. The more functions our devices provide, the more power they need, and they’re hungrier than hungry hippos at this point! That’s why charging technology is all the rage now, and the new big thing is wireless charging. Even though we’re just now seeing this technology take off, the basics of how it works were discovered not long after we started to understand what electricity is. Near the end of the 19th century, engineering mastermind Nikola Tesla showed that two powerful magnetic fields can slightly transfer energy between their sources when they interfere with each other. This trick found its use more than a hundred years later! Other videos you might like:
12 Mistakes You Make When Charging Your Phone https://www.youtube.com/watch?v=prZR1PkVjng&
Why No One Should Use Airport USB Charging Stations https://www.youtube.com/watch?v=4gJlkS_WxZA&
Apple Staff Reveal 11 Mistakes iPhone Users Make https://www.youtube.com/watch?v=tEdLcagF8YU& TIMESTAMPS:
It's all about the magnetic field! 1:17
What wireless chargers look like 3:46
What's faster, wires or an electromagnetic field? 4:14
Is wireless charging safe? 4:45
Resonance charging 6:35
Laser charging 7:30
Will it be possible to charge a phone with sounds? 😦 7:58 #smartphone #gadgets #brightside Nikola Tesla, with his equipment for producing high-frequency alternating currents: By Wellcome Collection https://wellcomecollection.org/works/sq2828s9, CC BY 4.0 https://creativecommons.org/licenses/by/4.0, https://commons.wikimedia.org/w/index.php?curid=36367226
Animation is created by Bright Side. SUMMARY:
– Every object with enough power is a potential source of an electromagnetic field.
– Magnetism and electricity are two sides of one coin. When electricity flows, it creates an electromagnetic field.
– To make a strong electromagnetic field with copper wire, you need a lot of it. Still, it’s one of the most fitting materials. – The biggest surprise here is that the technology behind wireless charging hasn’t drastically changed since Tesla. – The main problem engineers struggled with for a long time is that coils weren’t effective. The power of the field depends on the number of coils you can fit in the device.
– Another problem is that electromagnetic fields need to be close to each other to keep a strong connection. – That’s why wireless chargers today come in the form of mats – you need to put your phone right on it to get any juice at all. – This new tech isn't huge yet because let’s face it – wires are still faster than an electromagnetic field. – Wireless charging takes around double the time to charge a smartphone from 0% to 100%. – There’s no way a short-range electromagnetic field can cause any harm to you. – As you can imagine, the whole method of electromagnetic charging won’t stay the same. As with anything, it’ll only get better in the upcoming years. – Resonance charging will be good for devices with a high level of power usage, like cars, laptops, or even some robots.
– Another idea researchers are considering is laser charging. It may be extremely powerful and focused, but it has big bugs to work out first. – A laser will work on any distance but needs a clear line of sight to the device. If interrupted, it won't work at all. – Some other fresh research is aimed at the use of infrared light-waves, radio signals, or even ultrasound waves to charge phones and other devices. Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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