Kurt Vonnegut's brother discovered what commercial use for silver iodide?

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In the Twelve Days of Christmas what did my true love send to me on the fourth day?

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From what language did English borrow the word "caboose"?

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Which Science fiction writer developed a series of ethics for robots known as the "Laws of Robotics"?

Which New England state doesn't border the Atlantic Ocean?

What professor of physics oversaw the design and assembly of the first atomic bomb?

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What old TV puppet show was hosted by "Buffalo" Bob Smith?

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How many times does the word "jingle" appear in the first verse of "Jingle Bells"?