Engineering

Want a noninvasive health monitor? Put a ring on it.

University of Waterloo engineers have invented a powerful antenna small enough to fit in a ring and capable of transmitting critical medical data to health care workers and individual patients.

Telecom

Image: Roof of the satnav world

A small forest of antennas sprouts from the roof of ESA's Navigation Laboratory, based at the ESTEC technical center in the Netherlands, which is among the most frequently satnav-fixed locations on Earth. This is also the ...

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