What's below the tip of the iceberg? - Camille Seaman

507,414 views ใƒป 2013-07-24

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: Gemma Lee ๊ฒ€ํ† : Surie Lee
00:07
Have you ever heard the term,
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"๋น™์‚ฐ์˜ ์ผ๊ฐ"์ด๋ผ๋Š”
00:08
"tip of the iceberg"?
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๋ง์„ ๋“ค์–ด๋ณธ ์ ์ด ์žˆ๋‚˜์š”?
00:09
You know that icebergs are mostly underwater,
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๋น™์‚ฐ์˜ ๋Œ€๋ถ€๋ถ„์ด ๋ฌผ์†์— ์ž ๊ฒจ ์žˆ๊ณ ,
00:11
their immense bulk hidden beneath the water.
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์—„์ฒญ๋‚œ ๋ฉ์–ด๋ฆฌ๊ฐ€ ์ˆ˜๋ฉด ์•„๋ž˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์•„์‹ค๊ฑฐ์—์š”.
00:14
But why is that so?
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ํ•˜์ง€๋งŒ ์™œ ๊ทธ๋Ÿด๊นŒ์š”?
00:15
Well, the density of pure ice
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์ˆœ์ˆ˜ํ•œ ์–ผ์Œ์˜ ๋ฐ€๋„๋Š”
00:17
is less than that of sea water.
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๋ฐ”๋‹ท๋ฌผ์˜ ๋ฐ€๋„๋ณด๋‹ค ๋‚ฎ์Šต๋‹ˆ๋‹ค.
00:19
Usually only 1/9 of the volume of an iceberg
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๋Œ€๊ฐœ ๋น™์‚ฐ ๋ถ€ํ”ผ์˜ 1/9 ์ •๋„๋งŒ
00:22
is above the water.
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๋ฌผ ์œ„๋กœ ๋‚˜์™€์žˆ์Šต๋‹ˆ๋‹ค.
00:23
The shape of the underwater portion
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๋ฌผ ๋ฐ‘์— ์žˆ๋Š” ๋ฉ์–ด๋ฆฌ์˜ ๋ชจ์–‘์€
00:25
is difficult to discern
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๋ฌผ ์œ„๋กœ ๋‚˜์˜จ ๋ฉ์–ด๋ฆฌ๋งŒ ๋ด์„œ๋Š”
00:26
by looking at the above-surface portion.
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๊ฐ€๋Š ํ•˜๊ธฐ ์–ด๋ ต์Šต๋‹ˆ๋‹ค.
00:28
This has led to the expression,
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์ด๋•Œ๋ฌธ์— "๋น™์‚ฐ์˜ ์ผ๊ฐ"์ด๋ผ๋Š”
00:30
"tip of the iceberg."
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ํ‘œํ˜„์ด ๋‚˜์˜จ ๊ฑฐ์ฃ .
00:31
Here are some thing you might not know
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์–ผ์Œ์œผ๋กœ ๋ฎํžŒ ์„ฌ์— ๋Œ€ํ•ด ์—ฌ๋Ÿฌ๋ถ„์ด
00:33
about the icy islands.
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๋ชจ๋ฅผ๋งŒํ•œ ์‚ฌ์‹ค๋“ค์ด ์—ฌ๊ธฐ ์žˆ์Šต๋‹ˆ๋‹ค.
00:35
The life of an iceberg
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๋น™์‚ฐ์˜ ์ผ์ƒ์€
00:36
begins many thousands of years
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๋ฐ”๋‹ค์— ์ด๋ฅด๊ธฐ ์ „
00:37
before it reaches the ocean.
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์ˆ˜์ฒœ๋…„ ์ „์— ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.
00:39
Unlike sea ice or pack ice,
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๋ฐ”๋‹ค๊ฐ€ ์–ผ ๋•Œ ์ƒ๊ธฐ๋Š”
00:41
which form when the ocean freezes,
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๋ฐ”๋‹ค ์–ผ์Œ์ด๋‚˜ ๋– ๋‹ค๋‹ˆ๋Š” ์–ผ์Œ๊ณผ๋Š” ๋‹ฌ๋ฆฌ
00:43
glaciers are made of fresh water.
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๋น™ํ•˜๋Š” ๋ฏผ๋ฌผ๋กœ ์ด๋ค„์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
00:45
For thousands of years,
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์ˆ˜์ฒœ๋…„๋™์•ˆ
00:46
these glaciers build layer upon layer of ice,
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์ด๋“ค ๋น™ํ•˜๋Š” ์–ผ์Œ์ธต์„ ์ผœ์ผœ์ด ๋งŒ๋“ค์–ด์„œ
00:49
constantly compressing,
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๊ณ„์† ์ง“๋ˆ„๋ฅด๊ณ ,
00:50
moving,
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์›€์ง์ด๊ณ ,
00:51
adding snow,
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๋ˆˆ์„ ๋”ํ•˜๊ธฐ๋„ ํ•˜๊ณ ,
00:52
compressing,
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๋‚ด๋ฆฌ๋ˆ„๋ฅด๊ณ ,
00:53
and moving again
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๋˜ ์›€์ง์ด๋ฉด์„œ
00:54
as they inch along like a frozen river.
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์–ผ์€ ๊ฐ•๋ฌผ์ฒ˜๋Ÿผ ์กฐ๊ธˆ์”ฉ ์›€์ง์ž…๋‹ˆ๋‹ค.
00:56
It is the force of gravity
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์ค‘๋ ฅ์ด
00:58
that pulls them towards the sea,
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๋น™ํ•˜๋ฅผ ๋ฐ”๋‹ค์ชฝ์œผ๋กœ ๋‹น๊ฒจ์„œ
01:00
where a glacier may calve off to become an iceberg
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๊ทธ ๋•Œ๋ฌธ์— ๋น™ํ•˜์˜ ์ผ๋ถ€๊ฐ€ ๋–จ์–ด์ ธ๋‚˜์™€ ๋น™์‚ฐ์ด ๋˜๊ฑฐ๋‚˜
01:02
or continue to spread up as an ice shelf
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์–ผ์Œ ์„ ๋ฐ˜์ด๋‚˜
01:05
or an ice tongue.
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์–ผ์Œ ํ˜€์ฒ˜๋Ÿผ ๊ณ„์† ํŽผ์ณ๋‚˜๊ฐ‘๋‹ˆ๋‹ค.
01:07
Once an iceberg breaks away
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๋น™์‚ฐ์ด
01:08
from the glacier or ice shelf,
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๋น™ํ•˜๋‚˜ ์–ผ์Œ ์„ ๋ฐ˜์—์„œ ๋–จ์–ด์ ธ ๋‚˜์˜ค๋ฉด
01:10
it will usually live for three to six years,
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๋ณดํ†ต 3๋…„์—์„œ 6๋…„ ๋™์•ˆ
01:12
floating around, carried by the currents
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๋ฐ”๋‹ค ํ•ด๋ฅ˜๋‚˜
01:14
and tidal movements of the ocean.
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ํŒŒ๋„์˜ ์›€์ง์ž„์— ๋– ๋ฐ€๋ ค ๋‹ค๋‹™๋‹ˆ๋‹ค.
01:16
As it floats along,
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๋น™์‚ฐ์€ ๋‘ฅ๋‘ฅ ๋– ๋‹ค๋‹ˆ๋ฉด์„œ
01:17
it is battered by waves,
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ํŒŒ๋„์— ๋ถ€๋”ชํžˆ๊ณ ,
01:18
melts,
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๋…น๊ณ ,
01:19
and smashes into land
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์œก์ง€์— ๋ถ€๋”ชํžˆ๊ฑฐ๋‚˜
01:21
and sometimes other icebergs.
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๋‹ค๋ฅธ ๋น™์‚ฐ๊ณผ ๋ถ€๋”ชํž™๋‹ˆ๋‹ค.
01:23
Some icebergs are so unstable
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์–ด๋–ค ๋น™์‚ฐ์€ ์•„์ฃผ ๋ถˆ์•ˆ์ •ํ•ด์„œ
01:25
that they have more dramatic ends,
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์•„์ฃผ ์ธ์ƒ์ ์ธ ์ตœํ›„๋ฅผ ๋งž์ดํ•ฉ๋‹ˆ๋‹ค.
01:27
heaving up,
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01:27
collapsing,
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์†Ÿ์•„์˜ค๋ฅด๊ฑฐ๋‚˜
๋ฌด๋„ˆ์ง€๊ฑฐ๋‚˜
01:28
and sometimes even exploding.
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๋•Œ๋กœ๋Š” ํญ๋ฐœ๋„ ํ•ฉ๋‹ˆ๋‹ค.
01:29
And as they fall apart,
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๊ทธ๋ฆฌ๊ณ  ๋น™์‚ฐ์ด ์‚ฐ์‚ฐ์กฐ๊ฐ ๋‚˜๋ฉด์„œ
01:31
many icebergs make all sorts of strange sounds.
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์—ฌ๋Ÿฌ๊ฐ€์ง€ ๋‹ค์–‘ํ•œ ์†Œ๋ฆฌ๋ฅผ ๋ƒ…๋‹ˆ๋‹ค.
01:35
When a piece of iceberg melts,
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๋น™์‚ฐ ํ•œ ์กฐ๊ฐ์ด ๋…น์„ ๋•Œ
01:36
it makes a fizzing sound,
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ํํ ์†Œ๋ฆฌ๋ฅผ ๋ƒ…๋‹ˆ๋‹ค.
01:38
called Bergie Seltzer.
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ํƒ„์‚ฐ์ˆ˜๊ฐ€ ๋‚ด๋Š” ์†Œ๋ฆฌ๊ฐ™์ฃ .
01:40
This sound is made when the water-ice interface
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์ด ์†Œ๋ฆฌ๋Š” ๋ฌผ๊ณผ ์–ผ์Œ์˜ ๊ฒฝ๊ณ„๊ฐ€
01:42
reaches compressed air bubbles trapped in the ice.
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์–ผ์Œ ์†์— ๊ฐ‡ํžŒ ์••์ถ•๋œ ๊ณต๊ธฐ๋ฐฉ์šธ์— ๋‹ฟ์„ ๋•Œ ์ƒ๊น๋‹ˆ๋‹ค.
01:45
As this happens, each bubble bursts,
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์ด๋ ‡๊ฒŒ ๋˜๋ฉด ๋ฐฉ์šธ๋“ค์ด ํ„ฐ์ง€๋ฉด์„œ
01:47
making a popping sound.
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ํํ•˜๋Š” ์†Œ๋ฆฌ๋ฅผ ๋‚ด์ง€์š”.
01:50
There are six official size classifications for icebergs.
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๊ณต์‹์ ์œผ๋กœ ๋น™์‚ฐ ํฌ๊ธฐ๋ฅผ 6๊ฐ€์ง€๋กœ ๋ถ„๋ฅ˜ํ•ฉ๋‹ˆ๋‹ค.
01:54
The smallest icebergs are called growlers.
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๊ฐ€์žฅ ์ž‘์€ ๋น™์‚ฐ์€ ๋น™ํŽธ์ด๋ผ ๋ถ€๋ฆ…๋‹ˆ๋‹ค.
01:57
They can be up the size of your car
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์—ฌ๋Ÿฌ๋ถ„์ด ํƒ€๋Š” ์ž๊ฐ€์šฉ๋งŒํ•œ ํฌ๊ธฐ์ด๊ณ 
01:59
and are very dangerous for ships and boats
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๋ฐฐ์™€ ๋ณดํŠธ์— ์•„์ฃผ ์œ„ํ—˜ํ•ฉ๋‹ˆ๋‹ค.
02:01
because usually they sit just at the waterline
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์™œ๋ƒํ•˜๋ฉด ๋น™ํŽธ์€ ํ˜์ˆ˜์„  ๋ถ€๊ทผ์— ๋–  ์žˆ์–ด์„œ
02:03
where they are not easy to spot.
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์ฐพ์•„๋‚ด๊ธฐ๊ฐ€ ์‰ฝ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
02:05
Next are the bergy bits
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๋‹ค์Œ์€ ๋น™๊ดด์ธ๋ฐ
02:07
- yes, that is their scientific name -
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์˜ˆ, ๊ณผํ•™์  ๋ช…์นญ์ด์—์š”.
02:09
which can be up to the size of your home.
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์—ฌ๋Ÿฌ๋ถ„์˜ ์ง‘์ฑ„๋งŒํ•œ ํฌ๊ธฐ์ž…๋‹ˆ๋‹ค.
02:12
The other four sizes are small,
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๋‹ค๋ฅธ 4๊ฐ€์ง€ ํฌ๊ธฐ๋Š” ์†Œํ˜•,
02:14
medium,
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02:14
large,
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์ค‘ํ˜•,
๋Œ€ํ˜•,
02:15
and very large.
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ํŠน๋Œ€ํ˜•์ž…๋‹ˆ๋‹ค.
02:17
So just how big is a very large iceberg?
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๊ทธ๋Ÿฌ๋ฉด ์•„์ฃผ ํŠน๋Œ€ํ˜• ๋น™์‚ฐ์€ ์–ผ๋งˆ๋‚˜ ํด๊นŒ์š”?
02:20
Officially, any iceberg looming larger
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๊ณต์‹์ ์œผ๋กœ ๋น™์‚ฐ์ด
02:22
than 270 feet high above sea level
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ํ•ด์ˆ˜๋ฉด ์œ„๋กœ 82 m ์ด์ƒ ์†Ÿ์•„์žˆ๊ณ 
02:25
and 670 feet long
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๊ธธ์ด๊ฐ€ 204 m ์ด๋ฉด
02:27
is considered very large.
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์•„์ฃผ ํฌ๋‹ค๊ณ  ๊ฐ„์ฃผํ•ฉ๋‹ˆ๋‹ค.
02:30
That's 27 stories of looming, blue ice.
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์ด๊ฑด 27์ธต ํฌ๊ธฐ์˜ ํฌ๋ฏธํ•œ ํ‘ธ๋ฅธ์ƒ‰ ๋น™์‚ฐ์ด์—์š”.
02:34
And how do icebergs get that blue color anyways?
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๊ทธ๋ ‡๋‹ค๋ฉด ๋น™์‚ฐ์€ ์–ด๋–ป๊ฒŒ ํ•ด์„œ ํ‘ธ๋ฅธ์ƒ‰์„ ๋„๊ฒŒ ๋˜์—ˆ์„๊นŒ์š”?
02:37
When snow on the glacier
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๋น™ํ•˜ ์œ„์— ์žˆ๋˜ ๋ˆˆ์ด
02:39
is compressed over many hundreds of years,
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์ˆ˜๋ฐฑ๋…„ ๋™์•ˆ ์ง“๋ˆŒ๋ฆฌ๋ฉด
02:41
the weight of the snow
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๋ˆˆ์˜ ๋ฌด๊ฒŒ ๋•Œ๋ฌธ์—
02:42
forces the air bubbles out of the ice,
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์–ผ์Œ์—์„œ ๊ณต๊ธฐ๋ฐฉ์šธ์ด ๋น ์ ธ๋‚˜๊ฐ€์„œ
02:44
creating pure ice with very little air trapped inside.
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๊ณต๊ธฐ๋ฐฉ์šธ์ด ๊ฑฐ์˜ ์—†๋Š” ์ˆœ์ˆ˜ํ•œ ์–ผ์Œ์„ ๋งŒ๋“ค๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
02:48
This compression is seen
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์ด๋Ÿฐ ์••์ถ•์€
02:49
when the glacier calves,
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๋น™ํ•˜๊ฐ€ ๊ฐˆ๋ผ์ง€๋ฉด์„œ
02:50
creating a blue iceberg.
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ํ‘ธ๋ฅธ์ƒ‰์˜ ๋น™์‚ฐ์„ ๋งŒ๋“ค์–ด๋‚ผ ๋•Œ ๋ณด์ž…๋‹ˆ๋‹ค.
02:53
An iceberg that has not experienced
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๊ทธ๋‹ค์ง€ ์••์ถ•์„ ๋ฐ›์ง€ ์•Š์€
02:54
as much compression
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๋น™์‚ฐ์€
02:55
and has a large amount of air and surface edges
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๋งŽ์€ ๊ณต๊ธฐ๋ฅผ ํ’ˆ๊ณ  ์žˆ์–ด์„œ ํ‘œ๋ฉด์—์„œ
02:58
reflects light as white.
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๋น›์„ ํฐ์ƒ‰์œผ๋กœ ๋ฐ˜์‚ฌํ•ฉ๋‹ˆ๋‹ค.
03:00
Although they form in far northern or southern areas,
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๋น™์‚ฐ์€ ์ตœ๋ถ๋‹จ์ด๋‚˜ ์ตœ๋‚จ๋‹จ์—์„œ ํ˜•์„ฑ๋˜์ง€๋งŒ
03:03
icebergs can float thousands of miles.
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์ˆ˜์ฒœ ํ‚ค๋กœ๋ฏธํ„ฐ๋ฅผ ๋– ๋‹ค๋‹ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:06
An iceberg from the Arctic floated
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๋ถ๊ทน์—์„œ ์ƒ๊ธด ๋น™์‚ฐ์€
03:08
as far south as Bermuda.
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๋‚จ์ชฝ ๋ฒ„๋ฎค๋‹ค๊นŒ์ง€ ๋– ๋‚ด๋ ค์˜ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:10
Antarctic icebergs are mostly trapped
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๋‚จ๊ทน ๋น™์‚ฐ์€ ์ฃผ๋กœ
03:12
in the Circumpolar Current,
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๊ทน์ˆœํ™˜๋ฅ˜์— ๊ฐ‡ํ˜€์„œ
03:13
never giving them a chance to float north.
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๋ถ์ชฝ์œผ๋กœ ๋– ๋‹ค๋‹ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
03:16
However, they have been known to interrupt
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ํ•˜์ง€๋งŒ ๊ทธ ๋น™์‚ฐ๋“ค์€
03:18
shipping lanes between Australia,
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ํ˜ธ์ฃผ์™€
03:19
South America,
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๋‚จ์•„๋ฉ”๋ฆฌ์นด,
03:20
and South Africa.
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๋‚จ์•„ํ”„๋ฆฌ์นด ์‚ฌ์ด์˜ ์„ ๋ฐ• ํ•ญ๋กœ๋ฅผ ๋ฐฉํ•ดํ•ฉ๋‹ˆ๋‹ค.
03:22
For all their travelling,
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๋น™์‚ฐ์ด ๋– ๋‹ค๋‹ˆ๋Š” ๋‚ด๋‚ด
03:23
many people think
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๋งŽ์€ ์‚ฌ๋žŒ๋“ค์€
03:24
that these slabs of ice are barren of life,
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์ด๋“ค ์–ผ์Œ ์กฐ๊ฐ๋“ค์—๋Š” ์ƒ๋ช…์ด ์‚ด๊ณ  ์žˆ์ง€ ์•Š๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ์ง€๋งŒ
03:27
but these seemingly sterile ice slabs
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๊ฒ‰๋ณด๊ธฐ์— ์•„๋ฌด๊ฒƒ๋„ ์‚ด์ง€ ์•Š๋Š” ์–ผ์Œ ์กฐ๊ฐ์•ˆ์—๋„
03:29
also harbor their own complex ecosystems
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๊ทธ ์ž์ฒด์˜ ๋ณต์žกํ•œ ์ƒํƒœ๊ณ„๋ฅผ ๋ณด๋“ฌ๊ณ  ์žˆ๊ณ 
03:32
and they shape the ecosystems
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๋น™์‚ฐ์ด ์ง€๋‚˜๊ฐ€๋Š”
03:33
that they pass through.
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์ƒํƒœ๊ณ„๋ฅผ ํ˜•์„ฑํ•ฉ๋‹ˆ๋‹ค.
03:35
They become mobile, floating ecosystems.
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๋น™์‚ฐ์€ ์›€์ง์ด๋Š”, ๋– ๋‹ค๋‹ˆ๋Š” ์ƒํƒœ๊ณ„์ž…๋‹ˆ๋‹ค.
03:38
Even in the coldest seas,
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๊ฐ€์žฅ ์ฐจ๊ฐ€์šด ๋ฐ”๋‹ค์—์„œ๋„
03:39
icebergs are always melting,
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๋น™์‚ฐ์€ ๋Š˜ ๋…น๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
03:41
at least a little bit.
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์•„์ฃผ ์กฐ๊ธˆ์”ฉ.
03:42
This melting has a major impact
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์ด๋ ‡๊ฒŒ ๋…น๊ธฐ ๋•Œ๋ฌธ์—
03:44
on the ocean around an iceberg.
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๋น™์‚ฐ์„ ๋‘˜๋Ÿฌ์‹ผ ๋ฐ”๋‹ค์— ํฐ ์˜ํ–ฅ์„ ๋ผ์นฉ๋‹ˆ๋‹ค.
03:46
The fresh water from the berg
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๋น™์‚ฐ์—์„œ ๋‚˜์˜จ ๋ฏผ๋ฌผ์ด
03:48
creates a pool of fresh water
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๋ฏผ๋ฌผ ์›…๋ฉ์ด๋ฅผ ๋งŒ๋“ค์–ด๋‚ด๋Š”๋ฐ
03:49
that can extend a nautical mile away from the iceberg.
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๋น™์‚ฐ์—์„œ 1 ํ•ด๋ฆฌ๊นŒ์ง€ ๋ป—์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:53
This water is colder than the surrounding sea water,
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์ด ๋ฏผ๋ฌผ์€ ์ฃผ์œ„์˜ ๋ฐ”๋‹ท๋ฌผ๋ณด๋‹ค ๋” ์ฐจ๊ฐ€์›Œ์„œ
03:55
and the temperature variation creates thermal currents
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์˜จ๋„์ฐจ์ด ๋•Œ๋ฌธ์—
03:58
in the vicinity of the iceberg.
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๋น™์‚ฐ์˜ ์ฃผ๋ณ€์— ์—ด๊ธฐ๋ฅ˜๊ฐ€ ์ƒ๊น๋‹ˆ๋‹ค.
04:00
Life thrives on and around an iceberg.
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๋น™์‚ฐ ์œ„์™€ ์ฃผ๋ณ€์—์„œ ์ƒ๋ช…์ด ์‚ด์•„๋‚˜๊ฐ‘๋‹ˆ๋‹ค.
04:04
Young icefish hide in small ice holes to avoid predators,
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์–ด๋ฆฐ ๋ฑ…์–ด๊ฐ€ ํฌ์‹์ž๋ฅผ ํ”ผํ•ด ์ž‘์€ ์–ผ์Œ ๊ตฌ๋ฉ์— ์ˆจ์–ด์žˆ๊ณ 
04:07
while a variety of invertebrates,
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๋‹ค์–‘ํ•œ ๋ฌด์ฒ™์ถ” ๋™๋ฌผ,
04:09
like jellyfish and siphonophores,
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ํ•ดํŒŒ๋ฆฌ์™€ ๊ด€ํ•ดํŒŒ๋ฆฌ๋“ค์ด
04:11
congregate in the area.
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๊ทธ ์†์— ๋ชจ์—ฌ ์žˆ์Šต๋‹ˆ๋‹ค.
04:13
Many of them come to feed on krill,
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๋Œ€๋ถ€๋ถ„์ด ์ƒˆ์šฐ์ฒ˜๋Ÿผ ์ƒ๊ธด
04:15
tiny shrimp-like creatures.
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ํฌ๋ฆด ์ƒˆ์šฐ๋ฅผ ๋จน์œผ๋ ค๊ณ  ๋ชจ์—ฌ๋“ค์ฃ .
04:17
Snow petrels nest on the icebergs
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ํฐ๋ฐ”๋‹ค์ œ๋น„๊ฐ€ ๋น™์‚ฐ ์œ„์— ๋‘ฅ์ง€๋ฅผ ํ‹€๊ณ 
04:19
and feed on the sea life nearby.
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๊ฐ€๊นŒ์ด ์žˆ๋Š” ๋ฐ”๋‹ท์ƒ๋ฌผ์„ ๋จน์Šต๋‹ˆ๋‹ค.
04:21
Whales and seals and penguins seem to like them too.
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๊ณ ๋ž˜, ๋ฐ”๋‹คํ‘œ๋ฒ”, ํŽญ๊ท„๋„ ๋น™์‚ฐ์„ ์ข‹์•„ํ•˜๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
04:26
And even now that you know all this,
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์ด๋Ÿฐ ๊ฑธ ๋‹ค ์•Œ๊ณ  ์žˆ๋Š” ์ง€๊ธˆ๋„
04:28
we're still at the tip of the iceberg.
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๋น™์‚ฐ์˜ ์ผ๊ฐ ๋ฟ์ž…๋‹ˆ๋‹ค.
04:30
There are all sorts of things
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์šฐ๋ฆฌ๋Š” ๋น™์‚ฐ์— ๋Œ€ํ•ด
04:32
we don't know about icebergs.
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์•„์ง๋„ ๋งŽ์€ ๋ถ€๋ถ„์„ ๋ชจ๋ฅด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:34
Perhaps you'll be the one to see a little deeper.
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๊ทธ๊ฑธ ์ข€๋” ๊นŠ์ด ํŒŒ๊ณ ๋“ค ์‚ฌ๋žŒ์ด ์—ฌ๋Ÿฌ๋ถ„์ธ์ง€๋„ ๋ชจ๋ฅด๊ฒ ๊ตฐ์š”.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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