Turns out wireless networks aren't wireless at all. And light pulses in fiber optic cables carry your voice around the world. A new exhibition explains the science you hold in your hand every day.

How does Consumer Cellular work? Unlike major networks—like Verizon, T-Mobile, and AT&T—Consumer Cellular does not have its own towers.

Satellite, you can send images, audio, and even video in cellular dead zones, but only on certain phones. I tried it out in a remote area of Southern California.

Turns out wireless networks aren't wireless at all. And light pulses in fiber optic cables carry your voice around the world. A new exhibition explains the science you hold in your hand every day.

Turns out wireless networks aren't wireless at all. And light pulses in fiber optic cables carry your voice around the world. A new exhibition explains the science you hold in your hand every day.

"We learned about how wireless networks aren't actually wireless," he says, still slightly taken aback. "There's all these important wires that make a wireless network work," agrees exhibit writer ...