What's cellular about a cellphone?

A professor of wireless communications explains the origins of cellular networks and how they evolved into today's 5G networks.

Daniel Bliss, Professor of Electrical Engineering, Arizona State University • conversation
Nov. 20, 2020 ~7 min

communication cellphones technology smart-phones mobile-phones mobile-phone-network

Wildlife World Zoo: Jaguar attacks selfie-taker

Zoo officials warn that barriers are "there for a good reason" after a woman is injured.

BBC Science News • bbcnews
March 10, 2019 ~2 min

animals mobile-phones zoos-and-zoology selfies

'How a smartphone saved my mother's life'

The smartphone is becoming a powerful medical tool that can diagnose a growing number of conditions.

By Matthew Wall • bbcnews
Feb. 8, 2019 ~7 min


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