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你能解开隐藏的狼人谜题吗? – 译学馆
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你能解开隐藏的狼人谜题吗?

Can you solve the secret werewolf riddle? - Dan Finkel

解开本期谜题后留下来猜个额外的谜
Stick around after this episode for a bonus riddle
你正在追查一只
You’re on the trail
会威胁你村庄的狼人
of a werewolf that’s been terrorizing your town.
经过几个月的排查 你把怀疑对象
After months of detective work,you’ve narrowed
锁定在五个人当中:
your suspects to one of five people:
镇长 裁缝 面包师 杂货商 木匠
the mayor, the tailor, the baker, the grocer, or the carpenter.
你邀请他们共进晚餐并准备了一个简单计划:
You’ve invited them to dinnerwith a simple plan:
你会在每个人的晚餐里
you’ll slip a square of a rare werewolf
都放一枚方形的狼人解毒药片
antidote into each of their dinners.
很遗憾 其中四枚被你的宠物羊吃掉了
Unfortunately,your pet goat just ate four of thesquares,
现在你只剩下了一枚药片
and you only have one left.
幸运的是 这枚药片刚好50克
Luckily,the remaining square is 50 grams,
而且最小的有效剂量就是10克
and the minimum effective doseis 10 grams.
如果你能将这个方形精确地分为五份
If you can precisely divide thesquare into fifths
就有了刚好够分给每个人的解毒剂
you’ll have just enoughantidote for everyone.
你必须使用激光切割器来切药片
You’ll have to use a laser-cutting tool to cut up the square;
其他方法都无法做到足够精确
every other means available to youisn’t precise enough
有8个点可以作为开始的操作点
There are 8 points thatcan act as starting
或者说对于每一次切割有8个终止点
or ending points for each cut.
在使用这个装置时 你必须输入点的组合
To use the device,you’ll have to tinpu pairs
来告诉激光机每一刀从哪开始从哪结束
of points that tell the laserwhere to begin and end each cut
然后激光机将同时开始
and then the laser executes
执行所有的切割
all the cuts simultaneously.
你想把这个正方形切多少块就切多少块
It’s okay to cut the square into as many pieces as you want,
只要你能将让它们每份组成10克
as long as you can group theminto 10 gram portions.
但是你不能用折叠或更改等其他方式来处理这个正方形
But you can’t fold the squareor alter it otherwise,
并且在使用激光机时只能发出一次激光
and you only get one shotat using the laser cutter.
满月渐渐升起 将会有一个人
The full moon is rising,and in a moment someone
变成狼人将你撕碎
will transform and tear you all apart
除非你能提前治愈他们
unless you can cure them first.
你怎样才能将解毒剂分割为正确的五份
How can you divide the antidoteinto perfect fifths,
治愈隐藏的狼人 并拯救所有人?
cure the secret werewolf,and save everyone?
如果你想自己算出结果就请暂停该视频
Pause the video now if you want to figure it out for yourself.
答案 3 2 1
Answer in 3 2 1
谈及切割与重整的谜题时
When it comes to puzzles that involve cutting and rearranging,
切实的拿一片纸 通常来说是有帮助的
it’s often helpful to actuallytake a piece of paper and
试着将它剪切一下 看看能得到什么
try cutting it up to see what you can get.
如果我们切割BF和DH 我们能得到四份
If we cut BF and DH we’d get fourths,
但是我们需要五份
but we need fifths.
或许有一种剪裁正方形的方式
Maybe there’s a way to shave a bit
能得到精确的五分之一
off of a quarter to get exactly one fifth.
剪开BE 看起来不错
Cutting BE looks good at first
但最后剪掉了十六分之一
but that last cut takes off a quarter of a quarter,
留下了十六分之三
leaving us with a portion of 3/16:
略小于五分之一
just smaller than a fifth,
并不足以治愈狼人
and not enough to cure a werewolf.
如果我们从BE开始呢
What if we started with BE instead?
我们同样得到四分之一
That would also give us a quarter.
有什么方法能多裁一点吗
And is there a way to shave just a bit more off?
DG和CH看起来都有可能
Both DG and CH look promising.
如果我们从A到F再切一刀
If we make one more cut, from A to F,
我们也许会开始注意到
we may start to notice something.
只要裁切四次——从B点切到E点 D点切到G点
With these four cuts—from B to E, D to G,
F点到A点
F to A,
H点到C点——我们就会得到四个三角形
and H to C—we’ve got four triangles
中间一个正方形
and a square in the middle.
但每一部分同样可以使每个三角形
But the pieces that makeeach triangle can also be
重组成中间的正方形
rearranged to make a squareidentical to the middle one.
这意味着我们把解药正确的分成了5份!
This means that we’ve splitthe antidote into perfect fifths!
这类问题真正有趣之处在于
What’s interesting about thissort of problem
从几何学入手来解决是可能的
is that while it’s possible to solve it by starting from the geometry,
但实际上从实验开始更容易 看你能受什么启发
it’s actually easier to start experimenting and see where that gets you.
比如说 正方形有24个切点的话 就不太可行
That wouldn’t be as viable if the square had, say, 24 cut points,
但只有8个切点是合理的选择
but with just 8 thereare only so many reasonable options.
当满月出现在天空时
You secretly dose each of the townspeople
你悄悄地给镇上这几个人下了药
as the full moon emerges in the sky.
刚做完这一切 一个可怕的变身开始了
And just as you do,a terrible transformation begins.
然后 很快地 他变回来了
Then ,just as suddenly, it reverses.
你的分量是准确的
Your measurements were perfect,
镇上的人和动物能更从容的休息了
and the people and animals of the town can rest a little easier.
等一下还有
But wait there’s more
木匠告诉你 他的狼人诅咒
The carpenter tells you his werewolf cours begain
在最近的村庄里生效了
in a nearby a flicked village
在那儿 狼人能被认出来 因为他们总撒谎
There the werewolf can be identified,because they always lie
而人类总说真话
While the humans always tell the truth.
你拜访村庄并询问所有100名村民
You visit the village and questioned all 100 inhabitants.
所有人都说:“至少我们中有一个是人类……”
Everyone one of them says:”At least one of us is a human…”
你知道这个村子里至少有一个狼人
You know there at least one werewolf in the village
那么总共有多少也是狼人呢?
so how many of the total are also werewolves?
这个额外的谜题需要一个解答
This bonus riddle comes a custance a responser
聪明
BRILLIANT
这个问题源自比尔•金的直觉
That start with simple question that Bill Jing intuition
解决你的重要难题
grands up to problems that entails to you
帮助你寻找多种解决问题的不同方式
And that help you developed different ways of solving problem
在你脑中预先想好方法
Step will previously out of your glass
帮你提高思辨能力
To home your capacity to think critically
上BRILLIANT.ORG/TEDED网站
This BRILLIANT.ORG/TEDED
前833位使用这个网站的
In the first eight hundred and thirty three of you use that link
会有年度订阅八折优惠
will get twenty percent discount of the annual subscription

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视频概述

运用几何和重组来拯救隐藏的狼人。

听录译者

收集自网络

翻译译者

甪里

审核员

审核员 V

视频来源

https://www.youtube.com/watch?v=9gfPZoyMyTU

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