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Editor's choice

Jan 19, 2014

A special free-to-read digital edition containing 10 of our very best feature articles on the science and applications of light

Features: April 2008

The search for astroengineers

Searches for extraterrestrial life usually involve trying to track down unusual radio and optical signals. But could looking for "Dyson spheres" – artificial shells harnessing light from distant stars – be more productive?

Fibre sensor secures optical networks and pipelines

A fibre-optic acoustic sensor that can detect a person up to 10 m away could soon be deployed in many demanding security applications. Jacqueline Hewett talks to David Hill at QinetiQ to find out just how sensitive OptaSense is.

The terahertz revolution

Measurement applications for terahertz radiation are "endless"

SQUID maker sets its sights on X-ray detection

Magnetic sensors boost elemental analysis

The 'Measurement Fair' returns to Nuremberg

Three-day Sensor + Test 2008 exhibition and conferences will offer hands-on demonstrations of the latest test and measurement technologies

From GaAs diodes to fibre Bragg gratings

Lake Shore Cryotronics celebrates 40 years making cryogenic and magnetic instrumentation