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Okay, let's talk about pi for a minute. You remember pi, right - number of times bigger
好吧，讓我們來談談圓周率吧。你還記得圓周率，對不對？
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a circle's circumference is than its diameter? It's a little more than three - we could call
一個圓的周長是比它的直徑？它比三多一點 - 我們可以叫它 "圓周率"。
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it 3.14 or three and a seventh and be accurate enough for most applications. You could use
3.14或3.7分之1，對大多數應用來說足夠準確。你可以使用
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thirty nine decimal places and be accurate enough for all applications. But pi's digits
小數點後三十九位，並且對所有應用都足夠準確。但π的數字
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keep on going. Forever. And they're random. So this means you can find your birthday in
繼續走下去。永遠的。而且他們'是隨機的。所以，這意味著你可以找到你的生日在
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pi - mine occurs at the 33,870th decimal place. But what about something longer, like
pi--我的出現在小數點後第33,870位。但如果是更長的呢，比如
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your phone number? My 7-digit phone number doesn't occur within the first million decimal
你的電話號碼？我的7位數電話號碼在小數點後100萬以內沒有出現。
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digits, but because the digits are random and unending, I'm certain to find it if I
數字，但因為數字是隨機的和無止境的，我'確定找到它，如果我
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look far enough. In fact, for this reason, you can find any number you look for somewhere in pi.
找得夠遠的。事實上，由於這個原因，你可以在pi的某個地方找到任何你要找的數字。
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Let's switch to binary for a bit - pi looks
讓我們切換到二進制的位--pi看起來。
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like this now. The digits are just zeros and ones, but they're still random and unending,
像現在這樣。的數字只是0和1，但它們'還是隨機的，沒有盡頭。
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and this means that any given sequence of digits will turn up if you look far enough
這意味著，任何給定的數字序列都會出現，如果你看得夠遠的話。
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down the line. Computer files are just binary strings, so we could find your favorite mp3
下線。電腦文件只是二進制字符串，所以我們可以找到你最喜歡的MP3。
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somewhere in pi. We could find a picture of you in there, or a picture of what you'll
某處pi。我們可以在那裡找到你的照片，或你的照片'll。
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look like in 10 years. It's not likely that we'll find a particular sequence of digits
10年後的樣子。我們不可能找到一個特定的數字序列。
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quickly, but we can rest assured that it's in there somewhere. There's the sound of your
迅速，但我們可以放心，它'；在那裡的某個地方。那是你的聲音
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first words in there, and a video of your 10th birthday party. Your DNA is in pi, along
裡面的第一句話，還有你10歲生日派對的視頻。你的DNA是以圓周率為組織、部門的
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with the DNA of every other creature. Every YouTube video, every Wikipedia article, every
與其他所有生物的DNA。每一個YouTube視頻，每一個維基百科文章，每一個... ...
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piece of information that will ever exist is sitting there, already, somewhere in those
將永遠存在的一塊資訊 是坐在那裡，已經， 在這些地方的某個地方
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digits. So think about that the next time you see a circle.
數字。所以，下次看到圓圈的時候要想一想。
