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    Why do rear projection TV's turn the lamps off after the picture making electronics?

    I have two DLP TV's both leave the lamp on for about 5 seconds after the picture is turned off. Surely the DLP chip could survive being turned off after the major heat source is. Additional, The fan works for about five minutes after the bulb is turned off, surely the bulb would cool down...
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    Car whining noise when driving in 2nd and 3rd!?

    Ok wonder if anyone with good car knowledge could give opinionings please. I own an Astra Coupe Turbo and for 8 weeks have had a whining noise come from the gearbox i think just as the turbo comes in, in 2nd and 3rd gear only. 2nd gear the noise is loud but when in 3rd the noise is less noisey...
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