Topics from February 2017
- How does a television work?
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- How did pictures ‘run’?
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- When was the film invented?
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- What is a camera obscura?
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- Where is a simulation program used?
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- How does a CD-ROM work?
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- What are nano-robots?
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- Who controlled the robot ‘Sojourner’ on Mars?
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- How are e-mails transmitted?
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- How does the telephone work?
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- What is Morse code?
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- How can the blind read?
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- How are cipher languages written?
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- How did the Sumerians write?
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- What is an alphabet?
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- What are cipher languages?
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- What are programming languages?
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- How does sign language work?
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- Which languages are spoken the most?
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- What do traffic signs tell us?
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- What is body language?
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- How do animals communicate?
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- Why can humans speak, but not animals?
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