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? Subscribe: http://youtube.com/whatthephysics?sub_confirmation=1 ↓Want more info?↓ 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