"Ever wonder how your text message gets from your phone to your friend's phone? You type it, hit send, and boom -- the text appears on your friend's phone just moments later. But how?! From your brain to your fingers to your phone, once you hit send, off your message goes on a journey that seems impossibly far: traveling through the air, underground, under oceans, and even through mountains, in seconds. Turns out texts are big on adventure, and this...