Topics from March 2021
- Can you tell how computers work?
Posted by Keshav Jain on
- How computers are used in industry?
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- How radar works?
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- Do you know how a rocket works?
Posted by Keshav Jain on
- How ice is produced in a refrigerator?
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- When and where motion pictures were invented?
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- How a camera works?
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- Do you know how railway traffic is directed?
Posted by Keshav Jain on
- How the sound track of a film is synchronized with the action?
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- How do we make a film?
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- Describe the working of the tape recorder?
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- When the barometer was born and how it works?
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