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Statics: Crash Course Physics #13
  • Physics

Statics: Crash Course Physics #13

The Physics we're talking about today has saved your life! Whenever you walk across a bridge or lean on a building, Statics are at work. Statics is the study of objects when they're NOT accelerating. In this episode of Crash Course Physics, Shini talks to us about stretching, compressing, and springing as they relate to Statics! Also... Game of Thrones.

  • Video
  • Beginner
  • English
Andrei Scherbak
Andrei Scherbak
4.762 reviews
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Celestial Objects
  • Astronomy

Celestial Objects

Our universe contains an amazing array of celestial objects, sometimes referred to as celestial bodies or astronomical objects. Though most of the observable cosmos is composed of empty space, this cold, dark void that is sparsely populated by a number of astronomical objects that range from the common to the bizarre. Known collectively by astronomers as celestial objects, celestial bodies, astronomical objects, and astronomical bodies, they are the stuff that fills the empty space of the universe. Most of us are familiar with the stars, planets, and moons. But beyond these everyday celestial objects, lies an amazing collection of other wondrous sights. There are colorful nebulae, delicate star clusters, and massive galaxies. Pulsars and quasars add to the mystery, while black holes swallow up every bit of matter that comes too close. And now, the search is on to identify the mysterious, invisible objects known as dark matter. Join Sea and Sky for an intriguing journey as we discover these amazing celestial objects.

  • Exercise
  • level.starter
  • English
Andrei Scherbak
Andrei Scherbak
4.762 reviews
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I Have a Dream
  • English

I Have a Dream

Have you a dream? I mean, is there something that you would really like to do in your life – such as travelling round the world, or writing a best-selling novel, or climbing Mount Everest, or learning a new language. Good. It is important that we have dreams like these. But what would you do to achieve your dream. Would you, for example, walk out of your job so that you could do the thing you really want to do? Hmm. That might be difficult. How would you get the money you need to live on? And suppose you had a well-paid and very important job. Would you give that job up to pursue your dream? This morning's newspapers tell us about someone who has done just that. His name is Paul Drayson. He is 47 years old. He started his career as a businessman, and he was very successful. He made a fortune as boss of a company which makes equipment for giving people medical injections without sticking a needle into them. Then he became interested in politics. He gave a lot of money to the Labour Party. The government made him a member of the House of Lords, which is the upper chamber of the British parliament. (This means that he is now Lord Drayson, and not plain, ordinary Mr Drayson.) Then Lord Drayson became a minister in the government, at the Ministry of Defence. He was responsible for buying equipment for the British armed forces. Both the government’s supporters and his opponents said that he was good at his job. He obviously had a bright political career ahead of him. But Lord Drayson had a dream. It was a dream about driving motorcars very fast. He bought a 6-litre Aston Martin racing car. He drove it around race tracks. He competed in races; then he started to win some of the races, and this year he came third in the British GT championship. (The GT championships are for cars which are nearly the same as cars which you can drive on normal roads). People who know him say that, as a racing driver, Paul Drayson is both brave and intelligent.

  • Podcast
  • All levels
  • English
Andrei Scherbak
Andrei Scherbak
4.762 reviews
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Laziness
  • English

Laziness

In this class we will discuss the theory of laziness, is it a beneficial thing or not. Also we will learn the constraction "get used to" and see how to differ it from "used to".

  • Theory with exercises
  • Intermediate
  • English
Maria  Nekrasova
Maria Nekrasova
58 reviews
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lesson 1
  • English

lesson 1

What to use - Is or Does/Are or Do?

  • Theory with exercises
  • Elementary
  • English
Anna Snim
Anna Snim
11 reviews
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Some / any
  • English

Some / any

Fill the gaps with some or any

  • Image
  • Beginner
  • English
Oleg Ivanov
Oleg Ivanov
515 reviews
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Hobbies and likes
  • English

Hobbies and likes

In this class we will discuss hobbies and likes

  • Theory with exercises
  • Pre-Intermediate
  • English
Maria  Nekrasova
Maria Nekrasova
58 reviews
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Passive voice
  • English

Passive voice

Exercises in passive , present and future passive Questions+sentences+translation

  • Exercise
  • Intermediate
  • English
Darina Gribanova
Darina Gribanova
527 reviews