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Technology
Technology: Artful copier
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Technology
Technology: Computer brings cheap tricks to the screen
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TV satellites spoil each other’s pictures
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Patents: Identity crisis
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Patents: Magnetic performance
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Patents: Digital audio heads for the pool
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Patents: Knobble spotter
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Patents: Microwaved oil
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Technology
Technology: Japan’s future TV lacks definition
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Lone inventor wins battle for patent rights
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Technology
Technology: Colours stay bright when filmed in black and white
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Technology
Technology: Sell-off puts squeeze on home teletext
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