Shadowing Practice: Einstein’s beef with quantum physics, explained | Jim Al-Khalili for Big Think - Learn English Speaking with Video
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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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Contexto y antecedentes
El video explora la visión de Einstein sobre la mecánica cuántica, destacando la tensión entre las ecuaciones precisas y la falta de una narrativa clara que explique la realidad. A través de la conversación, se abordan conceptos como la incertidumbre, el entrelazamiento cuántico y el impacto de esta teoría en la tecnología moderna. Este contenido no solo es informativo sobre física, sino que también ofrece una oportunidad única para practicar el shadow speech, gracias a su tono claro y su estructura conversacional.
5 frases clave para la comunicación diaria
- "That bugs me": Expresa molestia por algo que no se entiende o no gusta. Útil en situaciones cotidianas para manifestar frustración de forma suave.
- "It was forced on physicists": Describe que algo se impone a alguien sin elección. Puede usarse para hablar de situaciones laborales o personales.
- "Shut up and calculate": Refiere a una actitud pragmática de priorizar los resultados sobre la explicación. Ideal para conversaciones sobre enfoques prácticos.
- "Bury your head in the sand": Critica a quienes evitan enfrentar problemas. Útil en debates o charlas informales.
- "Peel back layers of the onion": Describe el proceso de analizar algo en profundidad. Perfecta para explicar cómo se investiga o comprende un tema complejo.
Guía paso a paso para el shadowing
El shadow speak es una técnica probada para mejorar la pronunciación en inglés y la fluidez. Sigue estos pasos con el video:
- Escucha y observa: Reproduce el video a velocidad normal, prestando atención a la entonación y la pausa. Identifica frases largas y marca puntos donde el hablante acelera o reduce el ritmo.
- Repite en tiempo real: Reproduce el audio y repite cada frase inmediatamente después, imitando la pronunciación y el énfasis. Si te faltan palabras, detén y repite la sección hasta que la fluidez mejore. Esta práctica es esencial para la práctica de speaking para el IELTS, ya que mejora la capacidad de responder rápidamente.
- Graba y compara: Graba tu propia voz y compárala con el original. Presta atención a sonidos difíciles (como "th" o "sh") y ajusta tu pronunciación. Esto ayuda a identificar áreas de mejora de forma objetiva.
- Analiza la estructura: El video usa conectores como "but" o "however" para contrastar ideas. Practica replicar estas estructuras en tus propias frases, lo que te ayudará a organizar mejor tus pensamientos en inglés.
Con consistentencia, el shadowspeaks transformará tu forma de hablar, haciéndote más natural y confiad@ en situaciones cotidianas o exámenes como el IELTS.
¿Qué es la Técnica de Shadowing?
Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.