शैडोइंग अभ्यास: What if quantum physics could eradicate illness? | Jim Al-Khalili for Big Think - वीडियो के साथ अंग्रेजी बोलना सीखें

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32 वाक्य
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Quantum biology is looking for and studying quantum phenomena, quantum effects inside living cells.
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On the one hand, physicists don't like applying their laws of physics and quantum mechanics inside living systems because biology is hard,
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it's complicated, it's messy.
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It's hard enough trying to find quantum effects in a sterile physics lab.
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How does that sort of quantum behaviour survive inside the noisy, messy, complex environment of a living system?
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So physicists think, no, that's too complicated for us.
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Biologists don't want to think about quantum mechanics because by and large they don't understand the mathematics of quantum mechanics.
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And to be fair, molecular biology and genetics have progressed very well, thank you very much, without any help from quantum mechanics.
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In the middle, between the physicists and the biologists, are the chemists who say, well, of course, once you get down to the level of molecules, you're going to hit the quantum realm at some point.
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So you shouldn't be surprised that there must be some quantum effects.
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Don't go inventing new fields of science just to make it sound sexy somehow.
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There may be quantum effects going on, but that doesn't play a functional role.
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You don't need that to explain how an enzyme catalyzes a particular chemical reaction
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or how bacteria photosynthesizes light and turns it into chemical energy.
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That's all biochemistry and it's all understood.
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My counter argument to that is that it may well be that there are quantum effects.
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For example, quantum tunneling when a particle can jump from A to B in a way that's forbidden in our everyday world, but which is very familiar to us in physics and chemistry,
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that may well play a very fundamental role in certain biochemical processes.
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For example, whether mutations can take place in DNA because a single proton,
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a hydrogen atom, has jumped from one strand of DNA to the other in a way
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that it wouldn't do if we didn't use the rules of quantum mechanics.
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Now this could happen if it's given enough energy by say the surrounding water molecules
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that can nudge it over but it can also quantum tunnel across
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which means it can jump even though it doesn't have enough
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energy to get over the energy barrier they can quantum tunnel
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through the hill like a phantom walking through a brick wall
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now mutations are necessary for life otherwise there will be no change given the current progress we're making in genetics,
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gene editing, in being able to manipulate the building blocks of life down at the molecular scale.
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If quantum tunneling plays an important part,
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might it be possible to inhibit certain mutations by inhibiting the ability of particles to quantum tunnel?
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That would suggest that quantum mechanics plays a role in the entire evolution of life on this planet.
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And that might have huge implications for our health.

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इस पाठ की शब्दावली और बोलने के सुझाव

इस वीडियो में शैडोइंग के लिए 32 वाक्य और 481 शब्द हैं। बोला गया हिस्सा 3:00 लंबा है। वक्ता लगभग 160 शब्द प्रति मिनट की स्वाभाविक गति से बोलता है, जो रोज़मर्रा की बातचीत के करीब है। केवल 75% शब्द अंग्रेज़ी के 3,000 सबसे आम शब्दों में से हैं, इसलिए शब्दावली कठिन है।

इस वीडियो की मुख्य शब्दावली

वीडियो के 15 सीखने लायक शब्द, उच्चारण और अर्थ के साथ:

शब्दउच्चारणअर्थ
mechanic संज्ञा/mɪˈkænɪk/मिस्त्री, मेकेनिक
tunnel संज्ञा/ˈtʌn(ə)l/सुरंग
physics संज्ञा/ˈfɪz.ɪks/भौतिक शास्त्र, भौतिकी
biology संज्ञा/baɪˈɑ.lə.d͡ʒi/जीवविज्ञान, जैविकी
complicated विशेषण/ˈkɑm.plɪˌkeɪ.tɪd/जटिल, पेचीदा
molecular विशेषण/məˈlɛk.jə.ləɹ/आणविक
particle संज्ञा/ˈpɑɹtək(ə)l/कण, ज़र्रा
messy विशेषण/ˈmɛsi/अव्यवस्थित, अस्त-व्यस्त
genetics संज्ञा/dʒəˈnɛt.ɪks/अनुवांशिकी
molecule संज्ञा/ˈmɑ.lɪ.kjul/अणु, व्यूहाणु
everyday विशेषण/ˈɛvɹiˌdeɪ/दैनिक, रोज़ाना
sexy विशेषण/ˈsɛksi/सेक्सी
evolution संज्ञा/ˌiːvəˈluːʃ(ə)n/क्रमविकास
gene संज्ञा/d͡ʒiːn/जीन, वंशाणु
chemistry संज्ञा/ˈkɛm.ɪ.stɹi/रसायन शास्त्र, रसायनविज्ञान

ध्यान देने योग्य उच्चारण

वक्ता 12 बार संक्षिप्त रूपों का प्रयोग करता है, जैसे don't, doesn't, didn't। इन्हें वैसे ही छोटा बोलें जैसा आप सुनते हैं।

  • “sh” और “zh” की ध्वनियाँ: mutation /mjuˈteɪʃən/, evolution /ˌiːvəˈluːʃ(ə)n/, implication /ˌɪmpləˈkeɪʃən/
  • लंबे शब्द — बलाघात सही रखें: biology /baɪˈɑ.lə.d͡ʒi/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/, molecular /məˈlɛk.jə.ləɹ/, evolution /ˌiːvəˈluːʃ(ə)n/, fundamental /ˌfʌn.dəˈmɛn.təl/

इस वीडियो से अभ्यास कैसे करें

  1. पहले बिना बोले पूरा वीडियो एक बार सुनें और जो शब्द नहीं आते उन्हें लिख लें।
  2. 0.75× गति से शुरू करें, एक-एक वाक्य की शैडोइंग करें, और सहज लगने पर सामान्य गति पर लौटें।
  3. अपनी आवाज़ रिकॉर्ड करें और मूल से तुलना करें, ख़ासकर mechanic, tunnel, physics जैसे शब्दों पर ध्यान दें।

शैडोइंग तकनीक क्या है?

शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।

शैडोइंग तकनीक: पूरी चरण-दर-चरण गाइड पढ़ें →