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Interestingly for the few of you out there who listen to compressed music, Pioneer has included some voodoo technology called Bit Map Expander that supposedly is capable of "filling in" areas of music that are missing after compression -- not that you'll notice it over the din of your rocket powered car.
ENGADGET: Pioneer announces in-car AVH-P4900 / 5900DVD entertainment systems
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The effects of Proskins firm, constant compression that the company says reduces the buildup of lactic acid and after-sports fluid retention, which a friend who plays rugby confirms (though they do require a wash after every use) are said to apply equally well to those of us who want to wear the product all day.
WSJ: Tina Gaudoin on Style: Shifting to High-Tech Gear
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Most other image compression systems, such as the widely used Jpeg format, are applied after an image has been snapped.
BBC: Lens-less camera emerges from metamaterials work