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What are the best and the most useful inventions of mankind in the 20th and 21st centuries?
What famous inventors do you know? What were their inventions?
How did the invention of television change people's life? Do you think it is a useful invention? What is the role of television in your life? How often do you watch it?
When did you buy or get your first mobile phone? Do you think you can live without your mobile or is it now an important part of your daily life?
Do you use the Internet? What Internet services do you use? Do you feel any addiction to the Internet? How much do you spend on the Internet a month?
What do you think is the worst invention of the mankind? (weapon, atomic energy, cigarettes, television, mobile phones, cars, genetically modified products etc)
Can you name some inventions are you looking forward to? (human cloning, time traveling, eternal-life-pill, AIDS\cancer vaccine, teleportation)
Do you think time machine will ever be invented? Would you like to do some time traveling? What time would you like to visit, what event would you like to witness?
Do you think aging is the problem the mankind can not fight? What discoveries and inventions has been made recently to fight aging?
What is the use of space exploration? What technologies has space exploration brought to our daily life? Do you believe that one day people will live on the moon and on other planets?
What would you invent if you were a scientist?