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Patents: Wind-up energy
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Patents: Canon to left and right
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Patents: Colour by lawyers
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Patents: Beating the light blues
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Technology
Technology: Video CDs fight over the next picture show
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Science: Low-frequency ‘hum’ may permeate the environment
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Technology
Technology: Compact disc captures the style of the old stylus
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The day the tower almost lost its power
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Patents: Patent offices prepare for life online
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Technology
Technology: Dolby doubles trouble for competitors
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Technology
Technology: Disc maker explains pressing problems
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Technology
Technology: Digital video camera set to snap up the market
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