Make up questions to which the following phrases are the answers. The dialogue is between a newspaper correspondent and professor Grekov, an expert in physics
| The correspondent: | __? |
| Prof. Grekov: | Oh, yes. I think you’ve heard such names of prominent physicists and Nobel Laureates as Nikolay Basov, Ilya Frank, Peter Kapitza, Aleksandr Prokhorov, Andrey Sakharov, Igor Tamm and Zhores Alferov. |
| The correspondent: | __? |
| Prof. Grekov: | It’s quite true. They’ve made a remarkable contribution to modern physics and electronics. |
| The correspondent: | __? |
| Prof. Grekov: | And of course I’d like to emphasize the achievements of Zhores Alferov. He shared half of the Nobel Prize with American physicist Herbert Kroemer for their independent yet parallel improvements to semiconductors during the early 1960s. |
| The correspondent: | __? |
| Prof. Grekov: | Yes, it’s quite true. Zhores Alferov tried a new method: having combined different semiconducting materials such as gallium arsenide and aluminum gallium arsenide in layers as thin as a few atoms, he vastly improved transistor performance. These layered semiconductors are called heterostructures. |
| The correspondent: | __? |
| Prof. Grekov: | Today, the heterostructures are used in satellite communication systems, in the base stations for mobile-telephone networks, and in the fiber-optic technology that speeds Internet data throughout the world. Heterostructure lasers make it possible for CD players to reproduce music and for the bar-code scanners in stores to automatically record sales. |
| The correspondent: | __? |
| Prof. Grekov: | Future improvements in laser-diode technology may one day replace the conventional light bulb with light-emitting devices based on semiconductor heterostructures. |
In the interviews which follow, a number of scientists express their opinions on the path of scientific development and the qualities needed in a contemporary research worker. Study the interviews and work on them.
Imagine that you are participating in the interviews. Which of the speakers do you most agree with? Why? Introducing your point of view and interfering into communication say: Allow me to say this, will you? May I make a comment on what you have just said? I want to come in on this if I may? May I take up that point which I find most interesting?