Electricity is all around us, and even inside us. The presence of electricity has really skyrocketed in the past century, however, with the development of electronics. Today, our homes and communities ...

Editor's Note: This story was updated on Thursday, July 9 at 11 a.m. ET. There's an electrical hum in most animals, including ourselves. No one knows where it came from or why exactly it exists. Now, ...

I have noticed ever since I have had my 1ghz alpb, sometimes when it is plugged into the wall, I can hear a low level electrical hum coming from the powerbook. When I unplug the ac, it goes away, ...