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

Digital contact tracing's mixed record abroad spells trouble for US efforts to rein in COVID-19

Effective national leadership and trust in government appear to be prerequisites for countries to achieve widespread digital contact tracing.

Bhaskar Chakravorti, Dean of Global Business, The Fletcher School, Tufts University • conversation
July 6, 2020 ~11 min

Mobile technology may support kids learning to recognize emotions in photos of faces

Understanding others' emotions is a crucial social skill. Counter to concerns about screen time stunting kids' development, one study suggests they're getting better at recognizing emotion on screen.

Yalda T. Uhls, Founder and Executive Director of the Center for Scholars & Storytellers and Assistant Adjunct Professor in Psychology, University of California, Los Angeles • conversation
June 2, 2020 ~6 min

Lockdown and tech overload – how to escape your screens

Excessive screen use has been linked to addictive behaviours, changes in mood, increased stress and difficulty sleeping - here's how to take a break.

Charmele Ayadurai, Teaching Fellow, Durham University • conversation
May 27, 2020 ~6 min

How Apple and Google will let your phone warn you if you've been exposed to the coronavirus

Bluetooth wireless communication makes it possible for people to get alerts on their phones when they've been exposed to the coronavirus. Adding the right cryptography scheme keeps those alerts private.

David Starobinski, Professor of Electrical and Computer Engineering, Boston University • conversation
April 30, 2020 ~9 min

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