I Presume You Have Her Number

Yesterday I learned how telephones work. See, you talk into your phone, and the copper wire takes your voice vibrations to the phone box, and the phone takes them to a bigger phone box, then something something something, boo, you're talking to Bo Derek.

I also learned that you can make a home intercom system with two phones, copper wire, a nine-volt battery, and a thingamagruger.