Who invented the amberola: Thomas Edison, James McLurkin, Jeff Abel or Jay Eitel?

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The amberola is a type of hand-cranked phonograph introduced by Thomas Edison, with the first model (Amberola I) debuting in 1909.

Learn more on Codexery: Amberola in American Inventions

What does the amateur radio term 'CQ' mean when transmitted?

What does the Q-code 'QTH' mean in amateur radio communication?

What does the abbreviation 'FPV' stand for in the context of drone piloting?

What does ESC stand for in the context of electric RC vehicles?

What term describes the flight mode where a drone autonomously follows a moving subject using GPS or visual tracking?

What refresh rate, measured in hertz, became the standard baseline for competitive gaming monitors, doubling the traditional 60Hz?