Tag: cell phone

  • What’s the Physics Behind Texting?

    What’s the Physics Behind Texting?

    What’s the science behind texting? When you hit send, how does your message leave your phone and make the journey to your friend’s phone?
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    CREDITS:

    Host, Writer, Animator, Editor:
    Greg Kestin

    Special thanks:
    Tyler Howe
    Julie Elsky
    Lissy Herman
    Patrick Mitran
    Jerry Gibson
    Lauren Aguirre
    Kristine Allington
    Anna Rothschild
    Allison Eck
    Ari Daniel
    Lauren Miller

    From the producers of PBS NOVA
    © WGBH Educational Foundation

    Funding provided by FQXi

    SCIENTIFIC NOTES:
    – Messages can also be encoded by altering the phase of the signal being sent from the antenna.
    – Phones use several (~8) frequencies at one time, and since there are limited frequencies (~100) for the tower to use, manages the sharing of them.

    MEDIA CREDITS:

    Music provided by APM:
    Curio C

    Sound effects:
    Freesound.org

    Images:
    Two tree cell towers (Devra)
    Top of cell tower (Ervins Strauhmanis)

    Stock footage from Pond5:
    digital-computer-brain-binary
    bangkok-city-skyline-aerial-da
    aerial-fly-over-green-forest-c