Luyện nói tiếng Anh bằng Shadowing qua video: Einstein’s beef with quantum physics, explained | Jim Al-Khalili for Big Think

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Einstein is celebrated for giving us the special theory of relativity.
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The fact that nothing goes faster than light, time is the fourth dimension.
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But he didn't come up with the equations.
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That was the interpretation, the narrative of the equations.
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And it's the same with any other theory in physics.
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With quantum mechanics it's different.
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We have the equations of quantum mechanics, but we can't agree on what that equation means.
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Schrodinger's equation being the most famous one, we can crank the handle and produce numbers from the equation, but the narrative, the story,
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the explanation is still something that we're arguing about.
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And that bugs me.
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By the end of the 19th century, it was already known that we needed some new physics to explain mysterious phenomena,
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X -rays, like radioactivity, that energy seemed to be coming out of nowhere, to understand the behavior or the structure of the atom.
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And so when quantum mechanics came along, it wasn't because physicists were sitting scratching their heads,
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thinking there must be some deeper understanding of the nature of reality.
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I know, let's come up with quantum mechanics.
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It was forced on physicists because of experimental results
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that were inexplicable it's a fuzzy probabilistic world things are never
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behaving in one way for certain atoms can have two energies
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at the same time electrons can be in two places at
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the same time particles aren't discrete little lumps they can sometimes
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behave like spread out waves of probability it's really down at a level far beyond anything
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that we can visualize or imagine
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if we think about everyday objects a tennis ball for example subject to the laws of newtonian mechanics.
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You drop down orders of magnitude down to a millimetre, down to a micrometre, down to the scale of individual cells or bacteria.
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Ultimately, when you get down to something like a billionth of a metre, then you start to encounter the fuzziness of the quantum world.
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The founding fathers of quantum mechanics in the 1920s, people like the Danish physicist Niels Bohr, Werner Heisenberg, Wolfgang Pauli.
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And they realized they could make predictions for the results of measurements.
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But you only make the connection with the real world if you look.
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So that's how they got away with not needing a narrative.
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The shut up and calculate interpretation.
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More correctly, it's known as the Copenhagen narrative.
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But now, many physicists, including myself, argue that it's not a narrative at all.
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It's a bury your head in the sand approach.
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Einstein was very unhappy about this, by the way.
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He said, no, look, the job of physics is to know and understand how the world is, not just to make predictions about the results of experiments,
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that sort of operationalist view.
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Well, fine, that's useful, but that doesn't give us real understanding.
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That's why we still need a narrative.
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The knowledge of quantum mechanics, together with Einstein's theories of relativity, really gave us the modern world.
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We wouldn't have developed understanding of materials and how they conduct electricity, so we wouldn't have understood semiconductors we wouldn't have developed silicon chips,
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therefore we wouldn't have computers.
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I wouldn't be talking here in this medium today were it not for our quantum understanding.
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But there are aspects of the quantum world that are more mysterious.
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Quantum entanglement, for example, the idea that,
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let's say, two electrons that are separated in space can nevertheless somehow behave in a coordinated way.
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There are speculative ideas about whether space itself is connected together via quantum entanglement.
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We don't all need to be experts in quantum mechanics.
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Not even the smartest quantum physicist knows how stuff goes on inside their smartphone.
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But we are going to be developing ideas like quantum cryptography, quantum computing, quantum sensors.
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These are ideas and technologies that are going to affect us in our daily lives.
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So we do need to have enough of an appreciation of the science simply to know what to trust, who to trust.
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As we peel back layers of the onion about the nature of reality, we find deeper mysteries inside.
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But it's also true that we are learning more.
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We are becoming more enlightened.
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We know a lot about how the world works now, but that doesn't mean we have reached the end of the road.
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Now, I think there's going to be more weirdness coming down the line, And that's great.
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I look forward to it.

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Giới Thiệu Về Bài Học Này

Trong video này, chúng ta sẽ tìm hiểu về những khái niệm cơ bản trong cơ học lượng tử và sự khác biệt giữa nó với lý thuyết tương đối đặc biệt của Einstein. Bạn sẽ luyện nói tiếng Anh thông qua việc lắng nghe và thực hành những đoạn hội thoại thú vị, giúp bạn cải thiện phát âm tiếng Anh chuẩn cũng như khả năng diễn đạt của mình.

Từ Vựng & Cụm Từ Chính

  • Cơ học lượng tử (quantum mechanics)
  • Thuyết tương đối (theory of relativity)
  • Hệ số Schrodinger (Schrodinger's equation)
  • Liên kết lượng tử (quantum entanglement)
  • Thí nghiệm (experiment)
  • Nguyên tử (atom)
  • Máy tính lượng tử (quantum computing)
  • Cảm biến lượng tử (quantum sensors)

Mẹo Luyện Tập

Để tối ưu hóa việc luyện nói tiếng Anh của bạn với video này, hãy thử áp dụng phương pháp shadow speak. Dưới đây là một số mẹo hữu ích:

  • Nghe và Lặp Lại: Lắng nghe từng câu trong video và lặp lại ngay sau khi nghe. Điều này sẽ giúp bạn làm quen với intonation và nhịp điệu của ngôn ngữ.
  • Tốc Độ Phù Hợp: Video có tốc độ nói vừa phải, hãy cố gắng bắt chước cách nói của diễn giả. Nếu bạn cảm thấy quá nhanh, có thể phát lại với tốc độ chậm hơn để hiểu rõ hơn.
  • Tập Trung Vào Cảm Xúc: Không chỉ đơn thuần là lặp lại từ. Hãy chú ý đến cảm xúc và sự nhấn mạnh trong giọng nói. Điều này sẽ giúp bạn giao tiếp tốt hơn và tự tin hơn khi nói tiếng Anh.
  • Ghi Âm Và Nghe Lại: Ghi âm lại phần bạn thực hành và nghe lại. So sánh cách bạn nói với cách diễn giả. Điều này sẽ giúp bạn nhận ra những điểm cần cải thiện trong phát âm tiếng Anh chuẩn của mình.

Hãy cùng luyện nói tiếng anh một cách hiệu quả qua việc thực hành với video này. Chúc bạn thành công!

Phương Pháp Shadowing Là Gì?

Shadowing là kỹ thuật học ngôn ngữ có cơ sở khoa học, ban đầu được phát triển cho chương trình đào tạo phiên dịch viên chuyên nghiệp và được phổ biến rộng rãi bởi nhà đa ngôn ngữ học Dr. Alexander Arguelles. Nguyên lý cốt lõi đơn giản nhưng cực kỳ hiệu quả: bạn nghe tiếng Anh của người bản xứ và lặp lại to ngay lập tức — như một "cái bóng" (shadow) đuổi theo người nói với độ trễ chỉ 1–2 giây. Khác với luyện ngữ pháp hay học từ vựng bị động, Shadowing buộc não bộ và cơ miệng phải đồng thời xử lý và tái tạo ngôn ngữ thực tế. Các nghiên cứu khoa học xác nhận phương pháp này cải thiện đáng kể phát âm, ngữ điệu, nhịp điệu, nối âm, kỹ năng nghe và độ lưu loát khi nói — đặc biệt hiệu quả cho người luyện IELTS Speaking và muốn giao tiếp tiếng Anh tự nhiên như người bản ngữ.

Phương pháp shadowing: đọc hướng dẫn từng bước đầy đủ →