Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What is Bluetooth? – Henry, age 13, Somerville, ...
The word "gadget" likely originated as nautical slang in the mid-1800s, when it was used by sailors as a placeholder term for tools or items whose names they couldn't remember. But language is ...
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