Netradar reveals the quality of mobile Internet connections

Netradar is a free service that provides neutral, accurate information about the quality of mobile Internet connections and mobile devices collected by end users themselves throughout the world. Unlike other applications ...

Space race under way to create quantum satellite

In this month's special edition of Physics World, focusing on quantum physics, Thomas Jennewein and Brendon Higgins from the Institute for Quantum Computing at the University of Waterloo, Canada, describe how a quantum space ...

Song sparrows escalate territorial threats (w/ Video)

Territorial song sparrows use increasingly threatening signals to ward off trespassing rivals. First an early warning that matches the intruder's song, then wing waving – a bird's version of "flipping the bird" – as the ...

ESA's powerful new tracking station ready for service

(Phys.org)—A new satellite tracking station at Malargüe, Argentina, will be formally inaugurated on Tuesday, completing the trio of deep-space stations and confirming ESA as one of the world's most technologically advanced ...

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