쉐도잉 연습: Let’s Travel to The Most Extreme Place in The Universe - YouTube로 영어 말하기 배우기
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The universe is pretty big and very strange.
182 문장
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The universe is pretty big and very strange.
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Hundreds of billions of galaxies with sextillions of stars and planets
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and in the middle of it all there's Earth with you and us.
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But as enormous as the universe seems looking up,
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it seems to get even larger when you start looking down.
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You are towering over worlds within worlds within worlds,
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each in plain sight and yet hidden from your experience experience.
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Let's go on a journey.
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We'll start in a park about a thousand meters long enough for a 15 minute walk.
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Every time we click this magic button will become a thousand times smaller.
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Please slip into this magic science suit so you don't die and can still see.
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Ready?
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Let's go!
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The miniature realm.
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You are the size of a grain of sand just two millimeters high,
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standing on a blade of grass that seems as tall as an eight-story building to you.
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A square meter of lawn is now a dense metropolitan area with 100,000 blades or two Manhattan's worth of grass towers.
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From your new tiny perspective,
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the park that you could quickly stroll through before is now the size of France.
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Crossing it would take at least a week.
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Human-sized humans loom over you,
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four times taller than the Empire State Building,
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their steps falling from horizon to horizon.
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A bee the size of a helicopter lands near you,
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making the ground shake as its hairy carapace vibrates with each wingbeat.
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You try to escape, but are barely able to move because the air is so gooey.
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Before you click the button,
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air resistance was barely noticeable,
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But as you're now a thousand times smaller,
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it's as if the air has become a thousand times denser.
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It feels like you're moving through honey.
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Flying insects like bees use this to their advantage.
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Their wings are not made for gliding,
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but like paddles that row through the air.
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Scaled up to human size,
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the bee would outrun a Concorde jet,
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except it couldn't even take off because it would be too heavy for its wings.
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The microscopic realm.
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You've entered the microscopic realm and are now less than 2 micrometers tall,
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about the size of an E coli bacteria.
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From your new tiny perspective,
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the park you started in is now a million kilometers wide to you.
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If you walked non-stop, it would take some 25 years to cross it.
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It's hard to grasp just how huge the microscopic world is to its tiny inhabitants.
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The giant bee that was close a moment ago is now the size of Mount Everest,
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towering high into the sky,
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but alive, humming and vibrating.
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The air here feels almost solid to you.
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On the human scale it would be as viscous as lava,
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extremely hard to push through.
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The blade of grass now expands so far you can't see its edges,
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stretching as wide as parrots would to a regular-sized human.
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You see valleys that look like dried-up riverbeds,
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dead patches like deserts, and giant craters left behind by voracious aphids.
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But if you look closely, this is not terrain.
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These are rows of individual cells,
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each the size of a house with hard exteriors like glass shells.
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Every few cells there are huge openings called stomata,
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like mouths sucking in air and blowing out oxygen.
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Suddenly, the gigantic bee begins to move.
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A construct made of rigid pieces that slide against each other like a suit of armor.
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It takes off to escape a drop of water the size of an asteroid
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that fell from another blade of grass and is now rushing at you at breathtaking speeds.
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You brace for impact, but instead of feeling a strong punch,
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you just get sucked in.
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You try to swim, but the water feels thick and sticky and holds onto your limbs like glue.
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Air molecules are free spirits,
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while water molecules act more like social creatures that group together whenever possible.
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They pull on each other and create a relatively strong cohesive force that traps you.
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You can't help it, but you're still moving,
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tumbling in all directions, helplessly dragged along by an invisible current.
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Floating in this miniature lake are tens of thousands of microorganisms.
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They take on many forms.
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Viruses the size of tennis balls float around you aimlessly.
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Others like Euglena oxyuricils pass you like freight trains.
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But most look like oily jellyfish the size of a car,
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sporting long tentacles that act like supercharged propellers.
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Despite the water holding onto them like glue,
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some move hundreds of body lengths per second,
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equivalent to a person shovelling through mud at over 600 kilometers an hour.
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However bacteria weigh so little and water is so viscous that they basically have no inertia,
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there is no gliding on this scale.
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The result is a weird jerky motion that's hard to keep track of.
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Maybe we can learn more about this strange motion if we go even deeper.
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The Molecule Realm You've become the size of a molecule,
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just under 2 nanometers wide.
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At your new tiny scale,
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the droplet now seems as big as the moon to a regular human.
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The blade of grass it rests on could reach from the tip of Alaska to the end of Australia,
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and the park is now almost the size of the solar system.
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But instead of mostly empty space,
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it is filled with stuff.
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Everywhere you look there are innumerable amounts of molecules and atoms.
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The rigid walls of the grass cells beneath you are clearly vibrating,
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rippling with waves of energy.
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The water droplet contains nearly a sextillion water molecules that are all in motion.
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Water is actually a storm of H2O molecules smashing into each other hundreds of trillions of times a second.
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Each of them is moving at speeds of around 2300 kilometers an hour and bombard their surroundings mercilessly,
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sending small objects hurtling in all directions.
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This is the source of the invisible current that you noticed when you were a thousand times larger.
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Scaling this speed up to the human scale is impossible,
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as a human-sized molecule would be two thousand times faster than the speed of light.
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All this furious motion comes from heat.
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Heat is a bit abstract at our human scale,
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where you touch something and get a vague sense of whether it's hot or cold.
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But down here, you really feel what heat is.
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motion of molecules, vibrating, twisting and colliding as if they're inside a furious ball pit.
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When these molecules lose heat,
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they move more slowly and collide less often.
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When they gain heat, they speed up and smash together with renewed fervor.
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Temperature is basically the measure of the average speed of these fantastic dancers performing all day.
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Suddenly, a molecule hits you especially hard,
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and you're catapulted out of the water droplet into the air again.
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But here, you see something unexpected.
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The stuff between the air molecules.
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Nothing.
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Between the molecules that make up the air, there is a vacuum.
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On average, a molecule in the air travels for about 60 nanometers,
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which is about the length of a hockey rink if it were the size of a human.
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If we were to compress all the molecules and atoms buzzing around in the room you're watching this in,
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they would only fill about 0.1% of its volume.
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99.9% of the space around you is a vacuum.
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You just don't notice it.
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Which also means that every time you take a breath,
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you breathe in mostly nothing with a few atoms.
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The subatomic realm.
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At your size of under two picometers,
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scale starts to lose its meaning.
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A human would be nearly two billion kilometers tall relative to you,
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so large they could stretch their arms from the Sun to Saturn.
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An atomic nucleus would be the size of a grain of sand you could hold on the tip of your finger.
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That grain holds 99.97% of the atom's mass.
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The rest, a sphere of influence about as large as the Eiffel Tower from your perspective,
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is filled with an electron cloud.
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That's basically all the places where electrons might be at any given moment in time.
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Electrons are shape-shifters that morph around outside a nucleus,
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creating a new and vibrating mess of different shapes with every new moment.
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Unlike the graceful motion of planets,
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the atomic nuclei are chaotic blurs.
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They bulge, roll, quiver and breathe.
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They hold back the same energy that powers nuclear bombs and it doesn't let them sit still.
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They twist and vibrate six-stillions of times a second.
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It's time to end our journey and return to… What are you doing?
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Stop it!
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The smallest place… We have reached the bottom,
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the border between reality and unreality.
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The scale here is the Planck length,
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which is the distance light travels in a Planck time.
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Planck time is the time it takes light to travel a Planck length.
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Hmm, okay, none of our models of the universe make sense at scales smaller than this,
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so for now, this is it.
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We think that down here,
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particles bubble into existence and then spontaneously disappear,
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creating a quantum foam of unimaginable energy.
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Can we go even smaller?
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We don't know.
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It's time to return.
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The universe is a large and strange If you look up,
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the universe is large and strange.
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So incredibly large and strange.
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But if you look down into the tiny and extremely tiny,
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the universe seems even larger and even stranger.
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In the end, the perfect place might be where you are right now.
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Not too big, not too small.
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This bird has magical powers.
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Let's see a demonstration.
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Bring in the latest scientific research.
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Wow, that's a lot of complicated stuff about the immune system and all its cells.
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How could someone possibly understand all of this?
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Incredible!
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This overview is delightful and easy to grasp, but still scientifically accurate.
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Let's make it a bit more difficult.
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Can she make all of evolution visible at a glance?
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This is brilliant!
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You can clearly see the relationships between species and how they evolved.
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And look at those illustrations!
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These posters are ready to be shared with the world.
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These very special pieces of Kurzgesagt are now available on our shop along with many other sciency products,
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all researched with care and created with love by the Burbs with magical powers.
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Every Kurzgesagt product you buy directly funds another moment we get to spend working on our videos.
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Thank you so much for being a part of our story and for making this channel possible.
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you
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이 동영상은 우주의 놀라운 규모와 복잡성을 탐구합니다. 우주에는 수백억 개의 은하와 셀 수 없이 많은 별과 행성이 존재하지만, 우리는 지구에서 위대한 체험을 합니다. 이 여정에서는 우리가 얼마나 작은 존재인지, 그리고 미세한 세계에서의 다양한 경험을 보여줍니다. 이야기를 통해 우주와 미세 세계의 차이를 이해하며, 익숙한 것들이 어떻게 거대하게 변할 수 있는지를 엿볼 수 있습니다.
일상적 소통을 위한 5가지 주요 표현
- “Ready? Let’s go!” - 준비됐어요? 가요!
- “You are towering over worlds within worlds.” - 당신은 세계 속의 세계 위에 우뚝 서 있습니다.
- “It feels like you’re moving through honey.” - 마치 꿀을 지나가는 느낌이에요.
- “Crossing it would take at least a week.” - 그것을 건너는데 최소 일주일은 걸릴 거예요.
- “It’s as viscous as lava.” - 그것은 마치 용암처럼 점성이 있습니다.
단계별 쉐도잉 가이드
이 비디오에서 제공하는 내용을 쉐도잉하며 영어 발음을 교정하려면 다음 단계를 따르세요. 영어 쉐도잉은 말하기 능력을 향상시키는 훌륭한 방법으로, 특히 초보자들에게 효과적입니다.
- 1단계: 특정 구문을 주의 깊게 듣습니다. 비디오의 자연스러운 발음을 따라 해보세요.
- 2단계: 소리 내어 반복하세요. “Ready? Let’s go!”와 같은 표현을 통해 발음과 억양을 익힙니다.
- 3단계: 구문을 나누어 조금씩 따라 해보세요. 처음엔 느리게, 점차 속도를 높입니다.
- 4단계: 비디오를 멈춘 다음, 같은 문장으로 자신을 녹음해 보세요. 자신의 발음과 억양을 체크합니다.
- 5단계: 매일 반복 연습하여 shadow speech를 강화합니다. 정기적으로 이 과정을 반복하면서 영어 발음과 말하기 능력을 향상시켜보세요. 가능하다면, shadowspeaks 같은 사이트를 활용하여 원어민과 함께 연습해 보세요.
비디오의 내용과 함께 실질적이고 체계적인 쉐도잉 연습을 통해 영어 실력이 향상될 것입니다. 꾸준한 연습이 발음 교정의 열쇠입니다!
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.
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