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, ...

You probably use Bluetooth technology multiple times a day, without even thinking about it. Bluetooth supports hands-free calling and music streaming in the car, wireless keyboards and mice, wireless ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...