Fibre-optic networks, which are replacing copper cables in the telecommunications and data networks now spanning the globe, use single-crystals to generate and shape optical signals and route them to the correct destination. There is at least one in every mobile phone and TV set and single-crystal quartz 'oscillators' are the timing clocks of many electronic circuits. Single-crystals are the unsung heroes of many everyday devices. A joint venture between QinetiQ and the University of Strathclyde promises to improve dramatically the quality of the detector rays used in such devices, by fitting them with highly sensitive 'single-crystal' materials. Next time you have a X-ray or ultrasound scan, or have your hand luggage scanned at the airport, pause to thank QinetiQ technology for helping guarantee your health and safety. Its pioneering research and development includes the invention of liquid-crystal displays (LCDs), carbon fibre, the technology for flat-panel speakers, infra-red sensors and microwave radar.
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