WHAT'S INSIDE: PHONES

Telecommunications devices, including cell phones, satellite radio or Voice over IP, connect us to one another and to the world of information at our fingertips. Learn all about the technologies we depend upon for efficient communication.
  • Cell Phones
  • Cell Phone Apps
  • Home Telephones
  • Telephone Technology
  • Wireless
FEATURED: PHONES
FPO

An ever-expanding network of cell towers means you can call a friend from some of the world's most remote spots. But can you do it from the bottom of the ocean?

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If I put my smartphone in an armband or pocket while I run, can it overheat?

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