Engineering

Exploring unknown environments with ultrasound

Many underground liquid-filled environments are difficult to access for humans—think of deep underground oil wells or water distribution systems. Even with modern cutting-edge technologies, it is difficult to map these ...

Telecom

What's cellular about a cellphone?

Daniel Bliss is a professor of electrical engineering at Arizona State University and the director of the Center for Wireless Information Systems and Computational Architecture. In this interview, he explains the ideas behind ...

Robotics

The role of drones in 5G network security

The introduction of the fifth generation mobile network, or 5G, will change the way we communicate, multiply the capacity of the information highways, and allow everyday objects to connect to each other in real time. Its ...

Telecom

Security gap allows eavesdropping on mobile phone calls

Calls via the LTE mobile network, also known as 4G, are encrypted and should therefore be tap-proof. However, researchers from the Horst Görtz Institute for IT Security (HGI) at Ruhr-Universität Bochum have shown that this ...

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