![Museum visitors explore Cellphone: Unseen Connections at the Smithsonian](https://media.npr.org/assets/img/2023/07/11/nmnh-2023-01811_wide-f3b2ec882d5fd72c42396fcf9db6f99e0d2db7b6.jpg?s=600)
Turns out wireless networks aren't wireless at all. And light pulses in fiber optic cables carry your voice around the world. A new exhibition explains the science you hold in your hand every day.
(Image credit: Smithsonian Institution)
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from Culture : NPR https://ift.tt/lq3NTsj
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