Topics from June 2021
- Did Edison have cement patents?
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- What made Edison's concrete houses a failure?
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- What was the quadruplex telegraph?
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- Why the mimeograph was considered an important invention at that time?
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- When was the electric pen invented by Edison?
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- When did Edison resurrect his favourite brain-child, the phonograph?
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- Why was the alkaline battery developed by Edison a game changer for the automobile industry?
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- How did Edison invent the electric cap lamp?
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- What is the Edison Effect?
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- What was Edison’s contribution to the film industry?
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- How did Edison’s kinetoscope help cinema to reach a large-scale audience?
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- How did Thomas Alva Edison make the first practical incandescent bulb?
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- What makes Edison’s contribution to electric lighting extraordinary?
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- Why did Edison develop his own dynamo?
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- How did the phonograph change Edison’s life?
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- Why did Edison’s improved telephone lead to a legal war?
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- Why did the invention of the phonograph make Edison popular?
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- Where was Menlo Park situated?
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- Why is it said that Edison was not an easy boss to work with?
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- Why did the Western Union Telegraph Co. approach Edison for a better telephone?
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- When did Edison land in Boston?
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- Why were the New York days significant for Edison?
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- Which were the inventions of Edison during his Newark days?
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- How did Edison start working as a newsboy?
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- How was Edison’s life as a telegrapher?
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- How was the Grand Trunk Herald born?
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- Why is it said that Thomas Alva Edison helped to create the modern world?
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- When was Thomas Alva Edison born?
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- How was Thomas Alva Edison as a child?
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- How were the student years of Thomas Alva Edison?
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- Who are some of the famous scientists?
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