News tagged with mobile network

Switching light with a silver atom

Researchers working under Juerg Leuthold, Professor of Photonics and Communications, have created the world's smallest integrated optical switch. Applying a small voltage causes an atom to relocate, turning the switch on ...

dateFeb 01, 2016 in Nanophysics
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Why the SIM card has had its day

The small microchips known as "subscriber identity modules" or SIM cards that are required for mobile phones to log on to a phone network will soon be 25 years old. While mobile phones and network technology have progressed ...

dateMar 05, 2015 in Telecom
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