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Legal battle rages over free code
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Most efficient solar cell yet revealed
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NASA lander to target Martian north pole
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Single slow user can throttle wi-fi network
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Country-coded computer worms may be ahead
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US government warns of imminent net attack
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Technology
Circuit design evolving in distributed digital world
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‘Point-and-connect’ links for wireless devices
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World’s biggest election goes electronic
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Changeable chip passes cosmic ray test
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E-voting system flaws ‘risk election fraud’
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Web cafe fraud highlights public PC insecurity
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