Einstein's miracle year - Larry Lagerstrom

2,681,016 views ・ 2015-01-06

TED-Ed


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譯者: 毓翔 王 審譯者: 旻霏 郭
00:18
As 1905 dawned,
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隨著 1905 年的到來
00:20
the soon-to-be 26-year-old Albert Einstein faced life as a failed academic.
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即將 26 歲的愛因斯坦 以一個被當的大學生身份面對人生
00:27
Most physicists of the time would have scoffed at the idea
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當時大多數的物理學家 一定會加以嘲笑
00:30
that this minor civil servant could have much to contribute to science.
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如果你說這個不起眼的公務員 將對科學做出巨大的貢獻
00:35
Yet within the following year,
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然而在接下來的一年裡
00:36
Einstein would publish not one,
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愛因斯坦發表了不止一篇
00:38
not two,
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不止兩篇
00:40
not three,
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不止三篇
00:41
but four extraordinary papers, each on a different topic,
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而是四篇主題各不相同 卻都不同凡響的論文
00:45
that were destined to radically transform our understanding of the universe.
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它們將徹底改變我們對宇宙的認識
00:51
The myth that Einstein had failed math is just that.
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這也就是為什麼 爱因斯坦的數學被當是個迷思
00:54
He had mastered calculus on his own by the age of 15
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他 15 歲時已經自己掌握了微積分
00:58
and done well at both his Munich secondary school
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並且在慕尼黑中學和瑞士理工學院
01:00
and at the Swiss Polytechnic,
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都有不錯的表現
01:02
where he studied for a math and physics teaching diploma.
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他在這兩所學校獲得了 數學和物理教學學位
01:06
But skipping classes to spend more time in the lab
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但是他為了花更多時間 待在實驗室而翹課
01:09
and neglecting to show proper deference to his professors
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並忽視了對教授應有的尊重
01:12
had derailed his intended career path.
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這使他偏離了預期的職業道路
01:15
Passed over even for a lab assistant position,
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連一個實驗室助理的職位都不被考慮
01:18
he had to settle for a job at the Swiss patent office,
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他只好在一位朋友的父親的幫助下
01:21
obtained with the help of a friend's father.
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在瑞士專利局找了一份工作
01:24
Working six days a week as a patent clerk,
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僅管作為一個專利審查員 一周要工作六天
01:26
Einstein still managed to make some time for physics,
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愛因斯坦仍然能 留出一些時間給物理學
01:29
discussing the latest work with a few close friends,
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與幾個好友討論最新的著作
01:33
and publishing a couple of minor papers.
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並發表一些不怎麼重要的論文
01:35
It came as a major surprise
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令人大吃一驚的是
01:37
when in March 1905 he submitted a paper with a shocking hypothesis.
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他在 1905 年三月發表了一篇 有著驚人假設的論文
01:42
Despite decades of evidence that light was a wave,
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不顧幾十年來的證據顯示光是一種波
01:45
Einstein proposed that it could, in fact, be a particle,
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愛因斯坦提出,光實際上可以是粒子
01:49
showing that mysterious phenomena, such as the photoelectric effect,
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並說明一些神秘的現象,比如光電效應
01:53
could be explained by his hypothesis.
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可以用他的假說來解釋
01:56
The idea was derided for years to come,
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這個觀點在接下來的 幾年裡一直被嘲笑
01:58
but Einstein was simply twenty years ahead of his time.
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但愛因斯坦只是 領先了他的時代二十年
02:01
Wave-particle duality was slated to become a cornerstone of the quantum revolution.
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波粒二象性將成為量子革命的根基
02:07
Two months later in May, Einstein submitted a second paper,
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兩個月之後,愛因斯坦在五月 發表了第二篇論文
02:11
this time tackling the centuries old question of whether atoms actually exist.
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這次他研究的是延續 幾個世紀的古老問題
原子是否存在
02:16
Though certain theories were built on the idea of invisible atoms,
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僅管某些理論是建立在 不可見的原子上
02:19
some prominent scientists still believed them to be a useful fiction,
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一些傑出的科學家還是認為
比起真實的物理實物 原子更像是一個有用的假設
02:24
rather than actual physical objects.
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02:26
But Einstein used an ingenious argument,
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但是愛因斯坦用了一個獨創的論點
02:29
showing that the behavior of small particles
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展示了微小粒子的運動
02:31
randomly moving around in a liquid, known as Brownian motion,
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小分子在液體中的不規則運動
也就是布朗運動
02:35
could be precisely predicted
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布朗運動可以被準確的預測
02:37
by the collisions of millions of invisible atoms.
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因為它是通過數以百計 不可見的原子互相撞擊而成的
02:40
Experiments soon confirmed Einstein's model,
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不久,實驗就證明了愛因斯坦的模型
02:43
and atomic skeptics threw in the towel.
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原子論的懷疑者也拱手認输
02:47
The third paper came in June.
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第三篇論文發表於六月
02:49
For a long time,
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在很長一段時間裡
02:51
Einstein had been troubled by an inconsistency
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愛因斯坦一直被物理學中
02:53
between two fundamental principles of physics.
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兩個不一致的基礎原理所困擾
02:56
The well established principle of relativity,
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被廣泛接受的相對性原理
02:58
going all the way back to Galileo,
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在伽利略時期就已經被確立
03:00
stated that absolute motion could not be defined.
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它闡明絕對運動是無法定義的
03:04
Yet electromagnetic theory, also well established,
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然而同樣被廣泛接受的電磁理論
03:07
asserted that absolute motion did exist.
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則聲稱絕對運動是存在的
03:10
The discrepancy, and his inability to resolve it,
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這個矛盾和自己的無能為力
03:13
left Einstein in what he described as a state of psychic tension.
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使愛因斯坦陷入了所謂的 精神緊張的狀態
03:17
But one day in May,
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但是五月的某一天
03:18
after he had mulled over the puzzle with his friend Michele Besso,
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在和他的朋友米歇爾·貝索 探討這個問題後
03:21
the clouds parted.
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愛因斯坦感到雲開霧散
03:24
Einstein realized that the contradiction could be resolved
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愛因斯坦意識到 這個矛盾是可以化解的
03:26
if it was the speed of light that remained constant,
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如果光速是恆定的
03:29
regardless of reference frame,
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不論它處於何種參考系中
03:32
while both time and space were relative to the observer.
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而時間和空間對於觀測者都是相對的
03:36
It took Einstein only a few weeks to work out the details
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愛因斯坦只用了幾周就完成了細節
03:39
and formulate what came to be known as special relativity.
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並用公式表達出了後來 被稱作狹義相對論的内容
03:43
The theory not only shattered our previous understanding of reality
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這個理論不僅粉碎了 我們之前對現實的認識
03:46
but would also pave the way for technologies,
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還為技術發展鋪平了道路
03:49
ranging from particle accelerators,
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從粒子加速器
03:51
to the global positioning system.
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到全球定位系統
03:53
One might think that this was enough,
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你也許認為這已經足夠了
03:55
but in September,
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但是在九月
03:56
a fourth paper arrived as a "by the way" follow-up to the special relativity paper.
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第四篇被稱為「順便一提」的 狹義相對論後續文誕生了
04:02
Einstein had thought a little bit more about his theory,
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愛因斯坦進一步思考了他的理論
04:04
and realized it also implied that mass and energy,
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然後意識到它還隱含了質量和能量
04:08
one apparently solid and the other supposedly ethereal,
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一個是明顯實體的 另一個被認為是飄渺的
04:12
were actually equivalent.
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實際上是一樣的
04:15
And their relationship could be expressed in what was to become the most famous
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它們的關係可以用一個 很著名的方程式來表達
04:18
and consequential equation in history:
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這個方程式之後也成為 歷史上最重要的方程式之一:
04:21
E=mc^2.
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E=mc^2
04:25
Einstein would not become a world famous icon for nearly another fifteen years.
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愛因斯坦在接下來的 15 年內 都没有成為舉世聞名的人
04:29
It was only after his later general theory of relativity was confirmed in 1919
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直到 1919 年他測量 星光在日全蝕中的彎曲
04:34
by measuring the bending of starlight during a solar eclipse
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確認了他後來的廣義相對論
04:38
that the press would turn him into a celebrity.
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媒體才把他變成了一個名人
04:41
But even if he had disappeared back into the patent office
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但僅管他隨後銷聲匿跡回到專利局裡
04:44
and accomplished nothing else after 1905,
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並在 1905 年之後一無所成
04:47
those four papers of his miracle year
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但他在那奇蹟般的一年裡 寫出的四篇論文
04:50
would have remained the gold standard of startling unexpected genius.
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使他成為令人震驚的天才
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