쉐도잉 연습: Oppenheimer Wrote One Letter About Feynman — It Changed His Life - 영상으로 영어 말하기 배우기

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In November 1943, the man in charge of building the atomic bomb stopped to write a job reference.

Not to a general, not to Washington.

He was running

Los Alamos, thousands of people, a secret city, built from scratch in the New Mexico desert.

The most important and most tightly classified scientific project in the history of the world.

And in the middle of that, he took the time to sit down and write to a university physics department about a job.

The man he was recommending was 25 years old and had published almost nothing the outside world would recognize.

The letter still exists.

One line from it has been quoted ever since.

And the people it was sent to did nothing about it.

The man writing was Robert Oppenheimer.

The letter went to Raymond Burge, the chairman of the physics department at the University of California, Berkeley.

Oppenheimer's own old department, the place where he had taught before the war, pulled him out to the desert.

And the young man he was writing about was Richard Feynman.

To understand why that letter is strange, you have to understand who Feynman actually was at that point,

because it was not much of anything the public could see.

He had finished his doctorate at Princeton the year before, in 1942.

He was good.

His teachers knew he was good.

But he was a fresh

Ph .D., one of thousands of capable young physicists in the country,

with no great discovery to his name and no reputation outside the small rooms where theoretical physicists argue with each other.

Early in 1943, he was pulled out to Los Alamos while the laboratory was still half -built,

roads unpaved, buildings going up around the scientists as they worked.

He was put into the theoretical division, the group doing the hardest mathematics on the project, and that division was run by Hans Bethe.

And this is where something happened that doesn't usually happen to a 25 -year -old.

Beto was one of the senior men in physics.

He would later win the Nobel Prize for working out how the sun produces its energy.

At Los Alamos, he needed people who could tear an idea apart

and find the flaw in it before the project spent six months chasing it.

He started talking through problems with Feynman, and he found that this young man would argue back,

would stand in his office and tell him he was wrong, loudly, and then turn out to be right often enough that

Beta kept coming back for more.

The two of them worked out a method together for calculating how powerful a fission bomb would be,

a piece of work that still carries both their names.

Feynman was handed a group of his own to run.

By one account, he became the youngest group leader in the entire laboratory.

He was also, on the side, picking the locks on the filing cabinets where the most secret documents in the country were kept,

not to steal anything, but to prove the locks were useless

and to irritate the officers who were sure the secrets were safe.

That was the person Oppenheimer was writing about.

Not a famous man, a 25 -year -old who argued with Nobel laureates and cracked government safes for sport,

and whom the most senior people in the building had quietly decided was the best of all of them.

So the letter was not a routine favor.

It was the director of the Manhattan Project telling another institution, this one is worth your attention, and you should move before someone else does.

Recommendation letters are usually careful things.

You praise the candidate, you hedge a little, you leave yourself some room.

Oppenheimer did not hedge.

He wrote that Feynman was, in his words, by all odds the most brilliant young physicist there, and that everyone knew it.

That last part is the tell.

He wasn't offering an opinion for Burge to weigh against other opinions.

He was reporting something the whole laboratory already agreed on, and telling Burge he was behind the curve.

He even reminded Burge, in the letter, that he might already know the name, because Feynman had once applied for a fellowship at Berkeley.

So Berkeley had crossed paths with him once before.

Then Oppenheimer did something you almost never see in a letter like this.

He didn't rest on his own word.

He handed Burge two quotes from other men, and these were not ordinary men.

The first was Betta, the same Betta who ran the theoretical division, who had Feynman working directly under him.

Betta said he would rather lose any two other men from the project than lose Feynman.

Sit with what that means.

This was wartime, on a project where every single person had been handpicked from the best in the country, where losing anyone set the work back.

Betta was saying, take two of my people, any two, before you take this one.

The second quote was from Eugene Wigner.

Another future Nobel laureate, one of the deepest and most precise thinkers in the field.

Wigner said that Feynman was a second Dirac, only this time human.

You have to know who Dirac was for that line to do its work.

Paul Dirac was one of the strangest and most brilliant physicists who ever lived.

He had written down an equation and.. from the mathematics alone, predicted that antimatter must exist,

a mirror version of ordinary matter that nobody had ever seen.

And then, a few years later, they found it, exactly as the equation said.

That is almost the purest thing a physicist can do.

He was also famous for being nearly impossible to talk to.

He spoke so rarely, and so literally, that other physicists collected stories about him for decades.

Dirac was the benchmark.

He was the name you reached for when ordinary words for genius had run out, and Wigner was saying, Feynman belonged in that company,

the same order of mind, except that you could actually have a conversation with him.

So this is what sat on Raymond Burge's desk in the winter of 1943.

The director of the Manhattan Project, the head of its theoretical division, and one of the great minds of the age, all independently, all in writing,

all pointing at the same 25 -year -old and saying the same thing, above nearly everyone, before the world had the faintest idea who he was.

What those three men had wasn't a crystal ball.

It was a way of testing whether something in front of them actually held up, quickly, and without being fooled by a reputation or a title.

I put the six questions Feynman used to do exactly that, taken from his own lectures and his own writing,

into a short guide called The Feynman Field Guide to Clear Thinking.

Linked below.

Burge read the letter.

And Berkeley did nothing.

Not right away.

Not slowly.

Not eventually.

The recommendation went nowhere.

The most valuable endorsement in American physics landed on a department chairman's desk, and the chairman let it sit there.

Why?

For a long time, that was the quiet, unexplained part of the story.

The physicist and writer Jeremy Bernstein, going back through the record years later, found that Oppenheimer had tried as early as 1943 to get

Berkeley to bring Feynman in, and that the move was opposed by Burge.

For some reason, is how Bernstein put it, the reason wasn't written down.

What the record does show is that relations between Berg and Oppenheimer were strained, and that the chairman simply would not act.

You can let a thing like that stay a mystery.

Or you can look at who Raymond Burge was, and at another decision he made, which is not a mystery, because he explained it himself.

100

A few years earlier, Oppenheimer had tried to bring a different man into the Berkeley department,

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Robert Serber, one of his own most gifted students and closest collaborators.

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Serber was Jewish.

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Burge blocked it, and in a letter to a colleague explaining himself, he wrote that one

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Jew in the department was enough.

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That is not an interpretation.

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That is what he wrote, and it sits in the histories and on the historical marker at Oppenheimer's old

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Berkeley building to this day.

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Feynman was Jewish too.

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I want to be careful here, because this channel does not do your thinking for you.

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Nobody wrote down Berger's reason for sitting on the Feynman letter.

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The line about one

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Jew being enough was about Serber, not about Feynman, and it would be dishonest to pretend otherwise.

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What I can give you is the two facts set down side by side, the way they sat on that desk.

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Oppenheimer sent Berkeley the strongest recommendation of his career.

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The man who received it had already, in his own hand, decided that a department could hold too many of a certain kind of person.

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And he did nothing with the letter in front of him.

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You have probably watched a version of this.

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Not this exact one, but the shape of it.

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Someone with the title, the final say, the name on the door, getting a judgment badly wrong,

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while the people actually doing the work could see it plainly and had no power to move it.

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If you have sat through that, I would like to hear about it.

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What was the job and who was your Burge?

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Here is where you might think you have the point of the story.

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A small, blinkered administrator misses a great talent out of prejudice or pride.

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A cautionary tale with a clear villain.

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That is part of it, but if you stop there, you have only half, because you would still be assuming the letter mattered,

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that if only Burge had acted on it, he would have handed Feynman his future, and the tragedy is that he dropped it.

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That has it backwards.

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The letter did not change Feynman's life, and that is the thing the title quietly takes away, even as it promises it.

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Because Feynman was fine, more than fine.

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While Berkeley sat on its hands, Hans Bethe, the same Bethe who said he would rather lose any two other men,

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simply decided that he wanted Feynman near him when the war was over.

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Bethe was a professor at Cornell.

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Cornell had taken him in as a refugee from Germany in 1935, and he stayed loyal to the place for the rest of his life.

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When the fighting ended, Bethe and his colleagues brought Feynman to Cornell and Feynman went gladly

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because he admired Batha and wanted to keep working beside him.

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There was a harder reason, too.

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Feynman's wife, Arlene, had tuberculosis.

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Through the Los Alamos years, she lived in a sanatorium a few hours away, and he drove out to see her when he could.

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She died in June of 1945, weeks before the first bomb was tested.

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When the war ended, he was a widower at 27, and what he wanted was not an institution bidding for him.

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He wanted to work next to a man he trusted.

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Beta was that man.

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By his own account, he had settled on Cornell before any competing offer could catch up.

145

So the Berkeley recommendation was never the hinge it appears to be.

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It did not open a door, because the door that mattered was opened by a man who wanted Feynman personally

147

and did not need a letter to tell him so.

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Oppenheimer's recommendation got Feynman nothing.

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Berkeley simply missed him, and that is exactly what makes the letter worth keeping.

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Not because it worked, but because it didn't, and it still turned out to be true in every line.

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Read it again with that in mind.

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Everything Oppenheimer wrote in 1943 was correct.

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The most brilliant, by all odds, and everyone knew it.

154

Correct.

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A second Dirac, only human.

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Correct.

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And if anything, an understatement.

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In the years after the war, at Cornell, Feynman built a new way of handling the behavior of light and matter,

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of electrons and photons that had defeated everyone who came before him, including a way of drawing those interactions as simple pictures,

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lines, and squiggles on paper that physicists still use at the blackboard today.

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But here is a scene worth stopping on, because it says something the rest of the story doesn't.

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In the spring of 1948, 27 physicists gathered at a resort hotel in the Pocono Mountains

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of Pennsylvania at a meeting the National Academy of Sciences had called.

164

It was not a public event.

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It was the inner circle of the field, in one room.

166

Enrico Fermi was there.

167

Niels Bohr was there, the man who had built the foundations of quantum theory.

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And Paul Dirac was there, the actual Dirac, the benchmark himself, the man Feynman had been measured against five years earlier,

169

in a letter he never saw, sitting in the audience.

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Feynman got up and, for the first time in public, showed them his pictures and his method, and the room could not follow him.

171

His approach had antimatter behaving like ordinary matter running backward through time,

172

and it got the right answers by physical reasoning rather than by proving each step the way the others expected.

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Bohr thought the young man had forgotten something basic about quantum mechanics, and rose from his seat to correct him at the blackboard.

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Dirac kept pressing him on whether the method was even mathematically consistent, a question Feynman, who trusted it because it worked,

175

could not answer to Dirac's satisfaction.

176

Edward Teller raised an objection too.

177

One by one, the founders of modern physics told him, in effect, that they did not see it.

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They admitted his answers were correct.

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They just could not accept how he was getting them.

180

Feynman left the conference disappointed, by some accounts depressed, and went home to write the whole thing up properly instead.

181

Hold that against the Burge story for a moment, because they are not the same failure, and the difference matters.

182

At Pocono, the greatest physicists alive were wrestling in good faith with something genuinely new and genuinely hard,

183

presented badly, late in a long day.

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Skepticism in that room was not a sin, it is how science is supposed to work.

185

Within a few years, helped by a young mathematician named Freeman Dyson, who made the method legible to everyone else, the pictures Feynman drew that night,

186

became the standard tool of the entire field.

187

Even Oppenheimer, who had chaired the discussions, came around and conceded the point.

188

The system corrected itself, because the people in it were trying to see.

189

Burge was not trying to see.

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That is the whole distinction.

191

He had nothing hard in front of him, no five -hour lecture, no half -finished theory.

192

He had a clean, plain, one -page conclusion handed to him in writing by the three men in the country,

193

best place to reach it, and he did nothing.

194

The difference between Pocono and Berkeley is the difference between failing to understand a thing and refusing to look at it,

195

which is why the 1943 letter is more remarkable, not less.

196

In 1948, with the work in front of them, the founders of physics could not see what Feynman had.

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In 1943, with no work to look at, no diagrams, no

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Nobel, nothing but a young man arguing in a half -built laboratory.

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Oppenheimer and Beitha and Wigner saw all of it.

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They were years ahead of a room that contained Bohr and Dirac.

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And the one man who had their conclusion in his hand, in plain language, filed it away.

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So reckon up what actually happened.

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Feynman went on to share the Nobel Prize in 1965 for that work at Cornell.

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He moved to Caltech and rebuilt how physics was taught to a whole generation.

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And decades later, an old man by then, a television audience of millions,

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watched him sit at a government hearing into the loss of a space shuttle, take a clamped piece of the shuttle's own rubber sealing material,

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drop it into a glass of ice water, and show on camera that the cold had made it stiff.

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The single physical fact that explained why seven people had died.

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The same mind, still cutting straight to the thing that mattered, more than 40 years after the letter.

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All of it was visible in 1943.

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It was written down.

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It was signed by the three men best placed in the country to judge it.

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And it sat in a drawer at Berkeley

214

while the man it described went off and did every single thing the letter said he would.

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We tend to assume that recognition is the hard part, that genius goes unseen, that the tragedy is nobody noticing in time.

216

Feynman's story says something stranger.

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He was seen, completely, early, in writing, by precisely the right people.

218

The recognition was flawless.

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The failure came one step later, at the desk of the man whose only job, in that moment, was to act on it.

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And those are two different things, being right and holding the authority to decide.

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Burge had the authority.

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He was the chairman.

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A little over a decade later, he would be elected president of the American Physical Society.

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The most senior post -American physics could hand a man, and the university would eventually carve his name over the door of a building.

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Beethy and Wigner and Oppenheimer had the judgment.

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When those two things point in opposite directions, it is not always the judgment that wins.

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It is often the title, because the title is the one holding the pen.

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Feynman spent the rest of his life worrying at that exact gap.

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He had no patience for authority that could not show its work,

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not out of rebellion, but because he refused to grant anyone the benefit of the doubt on the strength of their rank.

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A grand title, a confident manner, a committee stamp, none of it counted with him until he had checked the thing himself.

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You can read that as a personality quirk, or as a man who understood,

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better than most, how easily a correct answer dies on the desk of someone who outranks the people who are right.

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The letter is still here.

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You can find it reproduced in the biographies,

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quoted in articles, pulled out whenever someone wants to show how clearly the great physicists saw what was coming.

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It outlived every man who touched it.

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It outlived the decision it was written to change.

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At the University of California, Berkeley, there is a physics building.

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It was dedicated in 1964, and it carries a name above the door.

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The name is Burge Hall.

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It is named for Raymond Burge, the chairman, in honor of his long service to the department.

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Richard Feynman never worked at Berkeley.

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He went to Cornell and then to Caltech, and the letter that recommended him to Berkeley is still in the archive, the most brilliant young physicist,

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by all odds, and everyone knew it, sitting exactly where the man who received it set it down.

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이 레슨의 어휘와 말하기 포인트

이 말하기 레슨은 영상 “Oppenheimer Wrote One Letter About Feynman — It Changed His Life”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: Feynman, letter, Burge, Berkeley. 이 영상에는 섀도잉할 문장 245개와 단어 3192개가 있습니다. 말하는 구간의 길이는 17:55입니다. 화자는 분당 약 178단어로, 일상 대화에 가까운 자연스러운 속도로 말합니다. 단어의 82%가 영어에서 가장 많이 쓰이는 3,000단어에 속합니다. 나머지는 연습 전에 미리 확인해 두세요.

이 영상의 핵심 어휘

영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.

단어	발음	뜻
physics 명사	/ˈfɪz.ɪks/	물리학, 물리
desk 명사	/dɛsk/	책상
recommendation 명사	/ˌɹɛkəmɛnˈdeɪʃən/	권고, 추천
argue 동사	/ˈɑɹ.ɡju/	논하다, 의논하다
ordinary 형용사	/ˈɔɹdɪnɛɹi/	정규의, 보통의
laboratory 명사	/ˈlæb(ə)ɹəˌtɔɹi/	실험실, 랩
recognition 명사	/ˌɹɛkəɡˈnɪʃ(ə)n/	인식
reputation 명사	/ˌɹɛpjʊˈteɪʃən/	평판, 명성
founder 명사	/ˈfaʊ̯n.dəː/	창설자, 설립자
mystery 명사	/ˈmɪs.t(ə.)ɹi/	신비, 미스터리
badly 부사	/ˈbæd.li/	나쁘게, 서투르게
plain 명사	/pleɪn/	평지, 평야
institution 명사	/ˌɪn.stɪˈtʃuː.ʃən/	제도
conclusion 명사	/kənˈkluːʒən/	종결
desert 명사	/ˈdɛz.ɚt/	사막

영상에 나오는 구동사

단어	뜻
write down 동사	적다, 적어 두다
get up 동사	일어나다
go back 동사	돌아가다
go up 동사	올라가다
pull out 동사	회수(回收)하다
sit down 동사	앉다

이 영상의 문법

화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.

문형	영상 속 표현
수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점	has been quoted · was sent · was pulled
관계절 who / which + 절 — 사람이나 사물에 대한 추가 정보	people who could · made, which is · man who received
현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때	has been quoted · have probably watched · have sat

주의할 발음

화자는 wasn't, didn't, doesn't 같은 축약형과 약화된 형태를 7번 사용합니다. 들리는 대로 짧게 발음하세요.

“th” 소리: theoretical /ˌθi.əˈɹɛt.ɪ.kəl/, mathematics /mæθ(.ə)ˈmæt.ɪks/, gather /ˈɡæðɚ/, mathematician /ˌmæθ.(ə.)məˈtɪʃ.ən/
“sh”와 “zh” 소리: recommendation /ˌɹɛkəmɛnˈdeɪʃən/, recognition /ˌɹɛkəɡˈnɪʃ(ə)n/, reputation /ˌɹɛpjʊˈteɪʃən/, institution /ˌɪn.stɪˈtʃuː.ʃən/, conclusion /kənˈkluːʒən/
긴 단어 — 강세 위치에 주의: recommendation /ˌɹɛkəmɛnˈdeɪʃən/, ordinary /ˈɔɹdɪnɛɹi/, laboratory /ˈlæb(ə)ɹəˌtɔɹi/, theoretical /ˌθi.əˈɹɛt.ɪ.kəl/, recognition /ˌɹɛkəɡˈnɪʃ(ə)n/

한국어 화자가 어려워하는 소리:

/f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: physics /ˈfɪz.ɪks/, founder /ˈfaʊ̯n.dəː/, refuse /ɹɪˈfjuːz/, satisfaction /sætɪsˈfækʃən/, stiff /stɪf/
/v/ — ㅂ(/b/)과 구별하기: discovery /dɪˈskʌv.ɹi/, visible /ˈvɪzɪb(ə)l/, curve /kɚv/, behave /bɪˈheɪv/, archive /ˈɑɹˌkaɪv/
/z/ — ㅈ이 아니라 성대를 울리는 /s/: physics /ˈfɪz.ɪks/, desert /ˈdɛz.ɚt/, refuse /ɹɪˈfjuːz/, visible /ˈvɪzɪb(ə)l/, resort /ɹɪˈzɔɹt/

이 영상으로 연습하는 방법

먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
자신의 목소리를 녹음해 원본과 비교하고, physics, desk, recommendation 같은 단어에 특히 주의합니다.

쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법

쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.

섀도잉 방법: 단계별 전체 가이드 읽기 →

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