How do headphones work? (As in how does electricity get turned into sound)
In: Technology
A trip to an used book store to find the books that used to teach kids to build from scratch radios, speakers and microphones is useful.
It’s really hard to think that there is anything but magic when you have not built from scratch something that turns motion into electricity or vice versa.
YouTube is a great place to watch others doing it, but few channels actually show people building from scratch, because sponsored links are part of how science YouTubers make money.
“Cigar Box Microphone/speaker” might yield some useful results, but some of this is just too old school to have ever been digitized.
ELI5 about basic science is often just better thought of as what experiments can a young person do, and doing them. Even the thermodynamics question about entropy yields to growing seeds or even just crystal under the influence of electric current. Because once you realize that energy input matters, thermodynamics makes a lot more sense, because it aligns with day to day experience.
Latest Answers