And you can use the same concept to build your own telephone using just cups and some string. What message are you going to share over the string? Background When we talk, our vocal cords make ...

Things you need: Two large paper cups 20-30 foot length of heavy non-stretch thread Sewing needle for the thread Two toothpicks or two paper-clips The experiment Please do this and all experiments ...

Hey Ray: Coffee cup on a string 01:46. PITTSBURGH (KDKA) - I think we should do some science that gets dangerous with my coffee cup! Let me show you my setup.

Apple fans who want only the finest in communications fidelity should skip the iCups, but Apple fans who want a good laugh will find plenty to like.