Практика Shadowing: 5 Fun Physics Phenomena - Изучайте разговорный английский по видео
Создание урока...
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Five fun physics phenomena.
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Number one: Have a friend hold a cane out horizontally for you or another similar object,
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and putting your two index fingers together try to place them underneath the center of mass.
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When they let go, you will find it doesn't normally work.
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But, Now try putting each index finger at opposite ends of the cane, and then moving your index fingers in towards the middle.
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what you will find is that they always end up right under the center of mass of the cane.
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You can try starting off asymmetrically.
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and they will still end up under the center of mass.
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You can try going at different speeds really slowly.
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you Or really fast?
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but you still end up perfectly under the center of mass.
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How does this work?
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Number two: The Phone Flip.
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Have you ever tried to spin your phone?
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If you do it in this direction, it's pretty easy.
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It stays nicely aligned.
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If you spin it along its short axis, you'll also find it spins very well.
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But, if you try to flip your phone end over end like this, you can't do it cleanly.
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The phone will never flip simply end over end without also rotating in one of the other directions.
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Even when I make an almost perfect flip, instabilities grow until the phone rotates around another axis.
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Why can't...
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No, I still can't do it.
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Why is it so?
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Number three.
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You've probably seen that if you rub a cup on your hair, you can make it electrically charged, and if you bring it close to a stream of water,
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you can actually cause that stream to deflect.
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Now usually this is used in chemistry textbooks as a demonstration of the polar nature of water.
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Water is a molecule with a more positive side and a more negative side.
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And so what happens, so you're told, is that the water molecule flips around
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so the positive side of the water faces the negative side of the cup
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and that is what attracts the water to the cup.
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But this is not the real explanation.
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If you have a uniform electric field, there's an equal force pulling the positive side towards it as there is pushing the negative side away from it.
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And so you can't actually do more than just turn the molecules.
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you would need a really, really strong gradient in your electric field to make this work at all
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and it basically is just not going to happen from a cup.
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So why is the stream actually attracted to a charged cup?
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That is the question.
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Number 4 Take a piece of your favorite cereal and drop it into a bowl of water.
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Then, using a very strong magnet, try to pull the cereal around.
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Bye.
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Isn't that cool?
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So why is cereal magnetic?
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And finally, five: the teabag rocket.
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Take a tea bag and cut off the sealed end very carefully.
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Now dump out the tea.
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Form the tea bag into a square column.
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and balance it on the plate.
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Now, light the top of the teabag on fire.
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Try to light it evenly on all sides.
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Get ready for takeoff in three, two, one.
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Ha, yeah!
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That is the beauty of the T -Bag Rocket.
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So why did that happen?
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So how do all of these phenomena work?
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Let me know in the comments, or make a video explaining any or all of them, or subscribe to the channel, and I'll post the answers next week.
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I hope you enjoyed those fun physics phenomena.
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I know a guy who would, the former commander of the International Space Station, Commander Chris Hatfield.
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I'm actually hosting live events with him in late August in Sydney and Canberra.
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I am so looking forward to that.
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Now the Sydney shows are all sold out, but there are still, as of now, tickets to the Canberra show.
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So if you want to come to that, check out the link in the description.
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Now Chris Hatfield actually wrote a book called "An Astronaut's Guide to Life on Earth."
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people who want to become astronauts but also for everyone who wants to lead a meaningful life here on Earth.
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And you can download this book for free
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if you like by going to audible .com /veritasium
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or you can pick any other book of your choosing for a one -month free trial.
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Audible is a great service with over a hundred and fifty thousand titles in all areas of literature including fiction, nonfiction, and periodicals and so you can find virtually anything you want there
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and by going to audible .com /veritasium they know that I sent you videos for you for free.
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So I really want to thank Audible for supporting me and I want to thank you for watching.
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Лексика и советы по произношению к этому уроку
В этом видео 70 предложений и 811 слов для шедоуинга. Речь длится 5:23. Говорящий говорит в естественном темпе, около 151 слов в минуту, близком к повседневной речи. 84% слов входят в 3000 самых частых слов английского языка; остальные стоит разобрать перед занятием.
Ключевая лексика этого видео
15 слов из видео, которые стоит выучить, с произношением и значением:
| Слово | Произношение | Значение |
|---|---|---|
| flip глагол | /flɪp/ | перевора́чивать, переверну́ть |
| finger существительное | /ˈfɪŋɡɚ/ | па́лец, перст |
| spin глагол | /spɪn/ | верте́ться, крути́ться |
| phenomenon существительное | /fəˈnɒm.ɪ.nən/ | явле́ние, собы́тие |
| cane существительное | /keɪn/ | трость, па́лка |
| cereal существительное | /ˈsɪə.ɹɪ.əl/ | злак, зернова́я культу́ра |
| molecule существительное | /ˈmɑ.lɪ.kjul/ | моле́кула |
| physics существительное | /ˈfɪz.ɪks/ | фи́зика |
| rocket существительное | /ˈɹɑk.ɪt/ | раке́та |
| attract глагол | /əˈtɹækt/ | притя́гивать, притяну́ть |
| axis существительное | /ˈæksɪs/ | ось |
| rotate глагол | /ˈɹoʊ.teɪt/ | враща́ться, верте́ться |
| carefully наречие | /ˈkɛɹf(ə)li/ | осторо́жно, аккура́тно |
| explanation существительное | /ˌɛkspləˈneɪʃən/ | объясне́ние, разъясне́ние |
| fiction существительное | /ˈfɪkʃən/ | худо́жественная литерату́ра, беллетри́стика |
Фразовые глаголы, которые вы услышите
| Слово | Произношение | Значение |
|---|---|---|
| end up глагол | зака́нчиваться, зако́нчиться | |
| check out глагол | проверя́ть, прове́рить | |
| cut off глагол | /ˌkʌt ˈɔf/ [ˌkɐɾ ˈɔf] | отреза́ть, отре́зать |
| look forward to глагол | ждать с нетерпе́нием, не мочь дожда́ться | |
| sold out прилагательное | распродан |
Произношение, на которое стоит обратить внимание
Говорящий использует 11 сокращённых и редуцированных форм, например can't, doesn't, I'll. Произносите их коротко, так, как слышите.
- Звуки «sh» и «zh»: explanation /ˌɛkspləˈneɪʃən/, fiction /ˈfɪkʃən/, demonstration /dɛmənˈstɹeɪʃən/
- Длинные слова — следите за ударением: phenomenon /fəˈnɒm.ɪ.nən/, explanation /ˌɛkspləˈneɪʃən/, virtually /ˈvɚ.t͡ʃə.wə.li/, demonstration /dɛmənˈstɹeɪʃən/, instability /ɪnstəˈbɪlɪti/
Как заниматься с этим видео
- Прослушайте всё видео один раз молча и выпишите незнакомые слова.
- Начните со скорости 0,75×, повторяйте предложение за предложением и вернитесь к обычной скорости, когда станет легко.
- Запишите себя и сравните с оригиналом, обращая внимание на такие слова, как flip, finger, spin.
Что такое техника Shadowing?
Shadowing — это научно обоснованная техника изучения языка, изначально разработанная для подготовки профессиональных переводчиков и популяризированная полиглотом доктором Александром Аргуэльесом. Метод прост, но эффективен: вы слушаете аудио на английском от носителей языка и немедленно повторяете вслух — как тень, следующая за говорящим с задержкой в 1–2 секунды. В отличие от пассивного прослушивания или грамматических упражнений, Shadowing заставляет мозг и мышцы рта одновременно обрабатывать и воспроизводить реальные речевые паттерны. Исследования показывают, что это значительно улучшает точность произношения, интонацию, ритм, связную речь, понимание на слух и беглость речи — что делает его одним из самых эффективных методов для подготовки к IELTS Speaking и реального общения на английском.