Can you solve the multiverse rescue mission riddle? - Dan Finkel

1,763,724 views ・ 2019-08-15

TED-Ed


μ•„λž˜ μ˜λ¬Έμžλ§‰μ„ λ”λΈ”ν΄λ¦­ν•˜μ‹œλ©΄ μ˜μƒμ΄ μž¬μƒλ©λ‹ˆλ‹€.

λ²ˆμ—­: Jungmin Hwang κ²€ν† : JY Kang
00:06
It was a normal Tuesday at the superconductor,
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"μ΄ˆμ „λ„μ²΄ 곡μž₯"은 ν‰λ²”ν•œ ν™”μš”μΌμ„ λ§žλŠ” λ“― ν–ˆμŠ΅λ‹ˆλ‹€.
00:09
until a bug in the system created a small situation.
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μ‹œμŠ€ν…œ 였λ₯˜λ‘œ μž‘μ€ λ¬Έμ œκ°€ λ°œμƒν•˜κΈ° μ „κΉŒμ§€λŠ”μš”.
00:14
Now your team is trapped in eleven separate pocket dimensions.
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이제 μ—¬λŸ¬λΆ„ νŒ€μ›λ“€μ€ 각자 11개의 μ„œλ‘œ λ‹€λ₯Έ 세상에 κ°‡ν˜€ μžˆμŠ΅λ‹ˆλ‹€.
00:18
Luckily for you, there’s a half-finished experimental teleportation robot
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λ‹€ν–‰νžˆλ„ 거의 μ™„μ„± λ‹¨κ³„μ˜ μ‹€ν—˜μš© ν…”λ ˆν¬νŠΈ λ‘œλ΄‡μ΄ μžˆμ–΄μ„œ
00:24
that may be able to get you all home,
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μ—¬λŸ¬λΆ„ λͺ¨λ‘λ₯Ό μ§‘μœΌλ‘œ 데렀올 수 μžˆμŠ΅λ‹ˆλ‹€.
00:26
if you can figure out how to work through the quirks of its design.
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νŠΉμ΄ν•˜κ²Œ μ„€κ³„λœ μž‘λ™λ²•μ„ μ•Œμ•„λ‚΄κΈ°λ§Œ ν•˜λ©΄ λŒμ•„μ˜¬ 수 있죠.
00:30
Over interdimensional radio,
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차원간 톡신 λΌλ””μ˜€λ₯Ό 톡해 κΈ°μˆ μžλ“€μ΄ μ„€λͺ…ν•œ 바에 λ”°λ₯΄λ©΄
00:32
your engineers explain
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00:34
that the robot can teleport into the alternate universes you’re trapped in,
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κ·Έ λ‘œλ΄‡μœΌλ‘œ μ—¬λŸ¬λΆ„μ΄ κ°‡ν˜€ μžˆλŠ” κ³³μ—μ„œ 차원 이동이 κ°€λŠ₯ν•˜λ‹€κ³  ν•©λ‹ˆλ‹€.
00:38
but it’ll do so completely at random.
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λ‹€λ§Œ, 이동할 μž₯μ†ŒλŠ” λͺ¨λ‘ λ¬΄μž‘μœ„μž…λ‹ˆλ‹€.
00:41
The robot has two levers and one big button.
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λ‘œλ΄‡μ—λŠ” λ‘κ°œμ˜ λ ˆλ²„μ™€ ν•˜λ‚˜μ˜ μ•„μ£Ό 큰 λ²„νŠΌμ΄ μžˆμŠ΅λ‹ˆλ‹€.
00:44
When it appears,
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λ‘œλ΄‡μ΄ λ‚˜νƒ€λ‚˜λ©΄
00:45
you just switch the position of one of the levers from A to B or vice versa,
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λ ˆλ²„ ν•˜λ‚˜λ₯Ό Aμ—μ„œ B둜 λ‚΄λ¦¬κ±°λ‚˜ κ·Έ λ°˜λŒ€λ‘œ 올리면 λ©λ‹ˆλ‹€.
00:51
and then the robot will note your dimensional position
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그러면 λ‘œλ΄‡μ΄ μ—¬λŸ¬λΆ„μ΄ μžˆλŠ” μ°¨μ›μ˜ μ’Œν‘œλ₯Ό λΆ„μ„ν•œ λ’€,
00:54
and teleport to another of the eleven dimensions at random.
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λ‚˜λ¨Έμ§€ μ—΄ 개의 세상 쀑 ν•˜λ‚˜λ₯Ό λ¬΄μž‘μœ„λ‘œ μ„ μ •ν•˜μ—¬ 데렀닀 μ€λ‹ˆλ‹€.
00:58
If it shows up again, you’ll have to pull a lever before it’ll teleport away.
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λ‘œλ΄‡μ΄ λ‹€μ‹œ λ‚˜νƒ€λ‚˜λ©΄, 사라지기 전에 λ ˆλ²„λ₯Ό λ‹€μ‹œ 당겨야 ν•©λ‹ˆλ‹€.
01:03
When anyone presses the button,
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μ—¬λŸ¬λΆ„ 쀑 λˆ„κ΅¬λΌλ„ 큰 λ²„νŠΌμ„ λˆ„λ₯΄λ©΄
01:06
the robot will bring everyone who pulled a lever back home.
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λ‘œλ΄‡μ€ λ ˆλ²„λ₯Ό λ‹Ήκ²Όλ˜ λͺ¨λ“  μ‚¬λžŒλ“€μ„ μ§‘μœΌλ‘œ 데렀닀 μ€λ‹ˆλ‹€.
01:10
Anyone who didn’t will be lost in the multi-verse forever.
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λ ˆλ²„λ₯Ό 당기지 λͺ»ν–ˆλ˜ μ‚¬λžŒλ“€μ€ λ‹€μ€‘μš°μ£Όμ— κ·ΈλŒ€λ‘œ κ°‡νžˆκ²Œ 되죠.
01:14
The challenge is to make sure everyone has pulled a lever
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λ¬Έμ œλŠ”, λͺ¨λ‘κ°€ λ ˆλ²„λ₯Ό λ‹Ήκ²Όλ‹€λŠ” κ±Έ ν™•μ‹€νžˆ μ•Œκ³  μžˆμ„ λ–„
01:18
before anyone hits the button.
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λ²„νŠΌμ„ λˆŒλŸ¬μ•Ό ν•œλ‹€λŠ” κ²ƒμž…λ‹ˆλ‹€.
01:20
While you can talk to each other now over the interdimensional radio
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μ§€κΈˆ μ—¬λŸ¬λΆ„λ“€μ€ 닀차원 λΌλ””μ˜€λ₯Ό μ΄μš©ν•΄
01:24
and agree on a plan,
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κ³„νšμ„ μ„ΈμšΈ μˆ˜λŠ” μžˆμ§€λ§Œ,
01:25
the robot’s teleportation technology
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λ‘œλ΄‡μ˜ ν…”λ ˆν¬νŠΈ 기술 λ•Œλ¬Έμ—
01:28
will interfere with all attempts at communication once it arrives.
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λ‘œλ΄‡μ΄ ν•œλ²ˆ λ„μ°©ν•˜λ©΄ μ–΄λ– ν•œ 톡신도 ν•  수 μ—†μŠ΅λ‹ˆλ‹€.
01:32
You won’t be able to attach messages to the robot
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λ‘œλ΄‡ν•œν…Œ λ©”μ‹œμ§€λ₯Ό 뢙일 μˆ˜λ„ μ—†κ³ ,
01:35
or scratch notes into its superstrong alloy body.
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λ‘œλ΄‡μ˜ κ°•λ ₯ν•œ ν•©κΈˆ λͺΈν†΅μ— λ‚™μ„œν•  μˆ˜λ„ μ—†μŠ΅λ‹ˆλ‹€.
01:39
Your only way to communicate information
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μ—¬λŸ¬λΆ„μ΄ μœ μΌν•˜κ²Œ 정보λ₯Ό 전달할 수 μžˆλŠ” 방법은
01:42
is to change the position of exactly one lever or hit the button.
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λ ˆλ²„ ν•˜λ‚˜λ₯Ό 당겨 μœ„μΉ˜λ₯Ό λ°”κΎΈκ±°λ‚˜ λ²„νŠΌμ„ λˆ„λ₯΄λŠ” κ²ƒμž…λ‹ˆλ‹€.
01:47
What plan will make sure everyone gets home?
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μ–΄λ–€ κ³„νšμ„ μ„Έμ›Œμ•Ό λͺ¨λ‘κ°€ 집에 λŒμ•„κ°ˆ 수 μžˆμ„κΉŒμš”?
01:50
Pause the video now if you want to figure it out for yourself.
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[혼자 풀어보고 μ‹Άλ‹€λ©΄ μ˜μƒμ„ μ§€κΈˆ μΌμ‹œμ •μ§€ ν•˜μ„Έμš”.]
01:55
Answer in 3
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3초 후에 해닡이 κ³΅κ°œλ©λ‹ˆλ‹€.
01:56
Answer in 2
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2초
01:57
Answer in 1
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1초
01:59
It would be nice if you could set different combinations of the levers
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λ ˆλ²„κ°€ λ§Žμ•˜λ‹€λ©΄ μ—¬λŸ¬ 가지 쑰합을 μ΄μš©ν•΄
02:03
to indicate who’s already been visited by the robot.
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λˆ„κ°€ λ‘œλ΄‡μ„ λ§Œλ‚¬λŠ”μ§€ ν‘œμ‹œν•  수 μžˆμ—ˆμ„ κ²λ‹ˆλ‹€.
02:05
But it has only two levers.
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ν•˜μ§€λ§Œ λ‘œλ΄‡μ—λŠ” 두 개의 λ ˆλ²„λ°–μ— μ—†μ£ .
02:08
That gives four combinationsβ€”
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κ·Έλ ‡λ‹€λ©΄ 총 λ„€ κ°€μ§€μ˜ 쑰합밖에 λ§Œλ“€μ–΄μ§€μ§€ μ•ŠμŠ΅λ‹ˆλ‹€.
02:10
far too few to communicate about 11 people,
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μ—΄ν•œ λͺ…μ˜ 정보λ₯Ό μ „λ‹¬ν•˜κΈ°μ—λŠ” 턱없이 λΆ€μ‘±ν•˜μ£ .
02:13
especially when you’re forced to flip one to send the robot onward.
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κ²Œλ‹€κ°€ 무쑰건 ν•˜λ‚˜μ˜ λ ˆλ²„λ₯Ό λ‹Ήκ²¨μ•Όλ§Œ λ‘œλ΄‡μ΄ λ‹€λ₯Έ 곳으둜 μ΄λ™ν•˜λ‹ˆκΉŒμš”.
02:18
There must be another way.
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λ‹€λ₯Έ 방법이 μžˆμ„ κ²λ‹ˆλ‹€.
02:20
The critical insight is that not everyone has to know
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μ€‘μš”ν•œ 사싀은, μ–Έμ œ λ‘œλ΄‡μ΄ 각각의 세상에 λ„μ°©ν–ˆλŠ”μ§€
02:23
when every pocket dimension has been visited.
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μ•Œ ν•„μš”κ°€ μ—†λ‹€λŠ” μ‚¬μ‹€μž…λ‹ˆλ‹€.
02:26
If one person accepts responsibility ahead of time for hitting the button,
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사전 κ³„νšμ„ 톡해 ν•œ μ‚¬λžŒμ΄ λ²„νŠΌμ„ λˆ„λ₯΄κΈ°λ‘œ μ•½μ†ν–ˆλ‹€λ©΄,
02:30
then only they need to know who the robot has visited.
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κ·Έ μ‚¬λžŒλ§Œ λ‘œλ΄‡μ΄ λˆ„κ΅¬μ™€ λ§Œλ‚¬λŠ”μ§€ μ•Œλ©΄ λ©λ‹ˆλ‹€.
02:33
In fact, they don’t even need to know exactly who’s been visited…
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사싀, λ‘œλ΄‡μ΄ λˆ„κ΅¬μ™€ λ§Œλ‚¬λŠ”μ§€λ„ μ•Œ ν•„μš”κ°€ μ—†μŠ΅λ‹ˆλ‹€.
02:37
just how many people have been.
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κ·Έμ € λͺ‡ λͺ…을 λ§Œλ‚¬λŠ”μ§€λ§Œ μ•Œλ©΄ 되죠.
02:39
You volunteer to be the person in charge of pressing the button
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당신은 λ•Œκ°€ λ˜μ—ˆμ„ λ•Œ λ²„νŠΌμ„ λˆ„λ₯΄κΈ°λ‘œ
02:43
when the moment is right,
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μ•½μ†ν–ˆμŠ΅λ‹ˆλ‹€.
02:45
and give the following directions to everyone else.
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그리고 λͺ¨λ‘μ—κ²Œ λ‹€μŒκ³Ό 같은 μ§€μ‹œμ‚¬ν•­μ„ 내리죠.
02:48
Your plan is simple:
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λ‹Ήμ‹ μ˜ κ³„νšμ€ κ°„λ‹¨ν•©λ‹ˆλ‹€.
02:50
you’ll use the left lever to count visits,
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μ™Όμͺ½ λ ˆλ²„λŠ” 당신이 λ‘œλ΄‡κ³Ό λ§Œλ‚œ 횟수λ₯Ό μ„ΈλŠ” κ²ƒμœΌλ‘œ μ“°κ³ ,
02:53
and the right lever will have no meaning,
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였λ₯Έμͺ½ λ ˆλ²„λŠ” μ•„λ¬΄λŸ° μ˜λ―Έλ„ μ—†μŠ΅λ‹ˆλ‹€.
02:55
so there’s no harm in moving it up or down.
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κ·Έλž˜μ„œ 였λ₯Έμͺ½ λ ˆλ²„λ₯Ό 움직여도 μ•„λ¬΄λŸ° 영ν–₯이 μ—†λŠ” 것이죠.
02:58
Each of the others will pull the left lever
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당신을 μ œμ™Έν•œ νŒ€μ›λ“€μ€ μ™Όμͺ½ λ ˆλ²„λ₯Ό Aμ—μ„œ B둜 λ‚΄λ¦½λ‹ˆλ‹€.
03:00
from position A to position B exactly once.
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μ •ν™•νžˆ ν•œ λ²ˆμ”©μ΄μš”.
03:05
If the robot appears with the left lever already pulled down,
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λ‘œλ΄‡μ΄ μ™Όμͺ½ λ ˆλ²„κ°€ 당겨진 μƒνƒœλ‘œ μ–΄λ–€ νŒ€μ›μ—κ²Œ λ‚˜νƒ€λ‚¬κ±°λ‚˜,
03:09
or if an individual has previously pulled the left lever down
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μ•„λ‹ˆλ©΄ 전에 κ·Έ νŒ€μ›μ΄ λ ˆλ²„λ₯Ό λ°‘μœΌλ‘œ λ‹ΉκΈ΄ 적이 μžˆλ‹€λ©΄,
03:12
at any point in the past,
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03:14
then they should move the right lever.
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κ·Έ νŒ€μ›μ€ 였λ₯Έμͺ½ λ ˆλ²„λ₯Ό 당겨야 ν•©λ‹ˆλ‹€.
03:16
You, meanwhile, will be the only one who ever resets the left lever from position B
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반면 당신은 μ™Όμͺ½ λ ˆλ²„λ₯Ό Bμ—μ„œ A둜 λ‹ΉκΈΈ 수 μžˆλŠ”
03:22
to position A.
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μœ μΌν•œ μ‚¬λžŒμž…λ‹ˆλ‹€.
03:24
This gives you a way to count how many people have been visited by the robot.
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그러면 λͺ‡ λͺ…μ˜ νŒ€μ›μ΄ λ‘œλ΄‡μ„ λ§Œλ‚¬λŠ”μ§€ μ…€ 수 있게 되죠.
03:28
Everyone needs to pull the left lever down exactly once,
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λͺ¨λ“  μ‚¬λžŒμ€ μ™Όμͺ½ λ ˆλ²„λ₯Ό λ”± ν•œ 번만 λ‚΄λ¦¬κ²Œ 되고,
03:32
and you’re the only one to pull it back up.
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λ‹Ήμ‹ λ§Œμ΄ λ ˆλ²„λ₯Ό 올릴 수 μžˆμŠ΅λ‹ˆλ‹€.
03:35
So you know that the tenth time the robot visits you
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κ·Έλž˜μ„œ λ‘œλ΄‡μ΄ μ™Όμͺ½ λ ˆλ²„κ°€ 내렀진 채 λ‹Ήμ‹  μ•žμ— μ—΄ 번째둜 λ‚˜νƒ€λ‚˜λ©΄
03:38
with its left lever in the down position,
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03:40
it must have visited all ten of the others.
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λ‹€λ₯Έ 10λͺ…μ˜ νŒ€μ› λͺ¨λ‘λ₯Ό λ§Œλ‚¬λ‹€λŠ” κ±Έ ν™•μ‹€ν•˜κ²Œ μ•Œ 수 있죠.
03:43
And that means you’re safe to press the button and teleport everyone home.
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그러면, 당신은 큰 λ²„νŠΌμ„ 눌러 λͺ¨λ‘ ν•¨κ»˜ μ§‘μœΌλ‘œ λŒμ•„μ˜¬ 수 μžˆμŠ΅λ‹ˆλ‹€.
03:48
It may take a while–
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μ‹œκ°„μ΄ μ’€ 걸릴 μˆ˜λŠ” μžˆκ² λ„€μš”.
03:49
most likely the robot will need to teleport around 355 times;
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μ•„λ§ˆ λ‘œλ΄‡μ€ 355번 정도λ₯Ό 이동해야 ν•  κ²ƒμž…λ‹ˆλ‹€.
03:55
but better that than leave anyone behind.
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ν•˜μ§€λ§Œ νŒ€μ›μ„ 놔두고 μ˜€λŠ” 것보단 λ‚«μ£ .
03:58
Your teammates phase back into your home dimension one at a time.
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μ—¬λŸ¬λΆ„μ€ λͺ¨λ‘ μ§‘μœΌλ‘œ ν•˜λ‚˜λ‘˜μ”© μ΄λ™ν•˜κ²Œ λ©λ‹ˆλ‹€.
04:02
The mission proves a great success.
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이 μž„λ¬΄λŠ” μ™„λ²½νžˆ μ„±κ³΅ν–ˆλ„€μš”.
04:05
Well...mostly.
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음...거의 말이죠.
이 μ›Ήμ‚¬μ΄νŠΈ 정보

이 μ‚¬μ΄νŠΈλŠ” μ˜μ–΄ ν•™μŠ΅μ— μœ μš©ν•œ YouTube λ™μ˜μƒμ„ μ†Œκ°œν•©λ‹ˆλ‹€. μ „ 세계 졜고의 μ„ μƒλ‹˜λ“€μ΄ κ°€λ₯΄μΉ˜λŠ” μ˜μ–΄ μˆ˜μ—…μ„ 보게 될 κ²ƒμž…λ‹ˆλ‹€. 각 λ™μ˜μƒ νŽ˜μ΄μ§€μ— ν‘œμ‹œλ˜λŠ” μ˜μ–΄ μžλ§‰μ„ 더블 ν΄λ¦­ν•˜λ©΄ κ·Έκ³³μ—μ„œ λ™μ˜μƒμ΄ μž¬μƒλ©λ‹ˆλ‹€. λΉ„λ””μ˜€ μž¬μƒμ— 맞좰 μžλ§‰μ΄ μŠ€ν¬λ‘€λ©λ‹ˆλ‹€. μ˜κ²¬μ΄λ‚˜ μš”μ²­μ΄ μžˆλŠ” 경우 이 문의 양식을 μ‚¬μš©ν•˜μ—¬ λ¬Έμ˜ν•˜μ‹­μ‹œμ˜€.

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