For the most of us we use the telephone every single day, perhaps more than we even realize. They're mobile, light weight and can function as miniature computer at times. But, it wasn't always that way.
This week on Science on the Radio Dr. Marvin Druger discusses the telephone. From its invention to widespread use and finally to where we are today.
Hear Science on the Radio each Wednesday Night at 8:35 on WAER.
