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16. Provide extensive answers to the following questions.

1. Can you prove that robots belong not only to space movies?

2. What were the first ideas of a robot?

3. Why did real robots appear only in the late 50s?

4. Who coined the word 'robot'?

5. What is the idea of K. Chapek's story?

6. Why is there no exact definition of a robot?

7. What two factors determine a robot?

8. Have robots replaced man in all kinds of activities?

9. What are the basic applications of robots? Where else can they be

used in the future?

10. How do robots play soccer?

17. Will you agree to these statements? Give reasons for your opinion.

1. Right now, all over the world, robots are on the move.

2. The idea of creating an intelligent machine is very old.

3. Name a boring or dangerous job. Somewhere, a robot is probably

doing it.

4. All work and no play make anyone dull - even a robot.

5. Robots will replace professional sportsmen in the future.

6. Robots must not be allowed to compete with humans.

18. Will you agree with the following statements? Give your reasons.

1. It is impossible to create thinking machines.

2. The three approaches to artificial intelligence are all imperfect.

3. 'Computer brains' have numerous disadvantages.

4. Neural networks are modelled after the human brain but they are

worse than rule-based systems.

5. Stimulus-response robots 'live and learn' like children. This makes

them dangerous as it is difficult to foresee their reaction and they

can get too clever.

19. Correct mistakes.

Denis hadn't to write a detailed report of the experiment with thermoses.

I will must to study all the peculiarities of this technological process next week.

He have to deliver a report on the applications of plastics.

don't must switch on this machine without our teacher's permis¬sion.

Have you to recycle unwanted nylon?

Must be non-recycable plastics burnt?

20. Translate the sentences using your active vocabulary.

1. Інженери повинні були модернізувати технологічні процеси.

2. Ми повинні будемо скласти доповідь про експеримент через тиждень

. 3. Пластмаси можна розділити на термореактивні пластмаси і термопластичні смоли.

4. На занятті студенти повинні будуть визначити міцність різних пластмас.

5. Робітники повинні були, встановити вінілові вікна в будівлі.

6. Розвиток науки про матеріали повинен привести до удосконалення багатьох інструментів, підвищення їх ефективності.

LESSON 11

Dangers of New Technologies

1. Discuss the following questions.

a) What is a laser? Where are lasers applied?

b) Are lasers dangerous? If so, give your reasons.

2. Read and learn the new words, write them down into your vocabulary:

Unlike-на відміну від

flash lamp-показне освітлення

similar-подібний, схожий

intense pulse- інтенсивний пульс

wavelength- довжина хвилі

coherence- послідовність

directionality- здатність направляння

area-площа

varieties- різноманіття

dozens- десятки

treated- ставитися

destruction- розрушення

3. Read the conversation and learn what a laser is and how it works.

Teacher: Hello, my friends. Today, I'm going to show you an

operating laser.

Ivan: That's great! By the way, what does the word 'laser' mean?

Teacher: It denotes light amplification by stimulation of emission of radiation. Looking at the operating laser one can see it producing a very powerful beam of light.

Ivan: When did the first lasers appear, I wonder?

Teacher: As far as I know, in the 1960s. Yet, we hear of their having numerous applications. Industrial welding, cutting materials, making measurements, etc. will be practically impossible without this device.

Ivan: And how do lasers work?

Teacher: Their work is based on the principle of amplifying the light of a certain wavelength in the resonator cavity.

Ivan: I'm rather interested in making experiments with laser beams.

Teacher: Then let's try to make one. But be very careful. Lasers can be very dangerous.

Ivan: Why are they dangerous?

Teacher: Well, they produce a very powerful beam of light and if

treated in the wrong way it can hurt or even kill you.

Ivan: Oh, I'm pretty scared.

Teacher: Don't worry. If you follow all the safety instructions nothing will happen to you.

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