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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 '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
