Template:Are You Sure/January 22: Difference between revisions

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[[File:Signaling by Napoleonic semaphore line.jpg|thumb|175px|link=Semaphore telegraph (nonfiction)| Illustration of communication by [[Semaphore telegraph (nonfiction)|mechanical semaphore telegraph]] in 1800s France.]]
• ... that French inventor '''[[Claude Chappe (nonfiction)|Claude Chappe]]''' demonstrated a practical '''[[Semaphore telegraph (nonfiction)|semaphore telegraph system]]''' in 1792, and that the system, with the backing of the French government, eventually spanned all of France?
• ... that French inventor '''[[Claude Chappe (nonfiction)|Claude Chappe]]''' demonstrated a practical '''[[Semaphore telegraph (nonfiction)|semaphore telegraph system]]''' in 1792, and that the system, with the backing of the French government, eventually spanned all of France?<br>
 
• ... that electrical engineer '''[[Oliver B. Shallenberger (nonfiction)|Oliver Shallenberger]]''' invented the first successful alternating current electrical meter, the forerunner of the modern electric meter, and that this invention was critical to general acceptance of AC power?<br>
• ... that electrical engineer '''[[Oliver B. Shallenberger (nonfiction)|Oliver Shallenberger]]''' invented the first successful alternating current electrical meter, the forerunner of the modern electric meter, and that this invention was critical to general acceptance of AC power?
• ... that '''[[Experimental Breeder Reactor I (nonfiction)|the Experimental Breeder Reactor I]]''' (EBR-I) was designed not to produce electricity, but to test a hypothesis which suggested that a breeder reactor should be possible, and that experiments in 1953 revealed that the reactor was producing additional fuel during fission, thus confirming the hypothesis?<br>
 
• ... that '''[[Experimental Breeder Reactor I (nonfiction)|the Experimental Breeder Reactor I]]''' (EBR-I) was designed not to produce electricity, but to test a hypothesis which suggested that a breeder reactor should be possible, and that experiments in 1953 revealed that the reactor was producing additional fuel during fission, thus confirming the hypothesis?
 
• ... that the illustration "'''[[Humpty Dumpty At Bat]]'''" was originally scribbled on a cocktail napkin, and that it was later redrawn for the cover of the Caldecott Medal-winning children's book by the same name?
• ... that the illustration "'''[[Humpty Dumpty At Bat]]'''" was originally scribbled on a cocktail napkin, and that it was later redrawn for the cover of the Caldecott Medal-winning children's book by the same name?

Revision as of 20:35, 19 January 2022

• ... that French inventor Claude Chappe demonstrated a practical semaphore telegraph system in 1792, and that the system, with the backing of the French government, eventually spanned all of France?

• ... that electrical engineer Oliver Shallenberger invented the first successful alternating current electrical meter, the forerunner of the modern electric meter, and that this invention was critical to general acceptance of AC power?

• ... that the Experimental Breeder Reactor I (EBR-I) was designed not to produce electricity, but to test a hypothesis which suggested that a breeder reactor should be possible, and that experiments in 1953 revealed that the reactor was producing additional fuel during fission, thus confirming the hypothesis?

• ... that the illustration "Humpty Dumpty At Bat" was originally scribbled on a cocktail napkin, and that it was later redrawn for the cover of the Caldecott Medal-winning children's book by the same name?

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