But in light of Black Friday, even aside from consumer confidence or retailers slashing prices, there may be another dimension to the increase in retail sales that some are overlooking.
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Police are searching for a light-skinned black man, aged between 30 and 40.
Will the last one out please remember to turn off the black light?
Black light posters, candleholders made out of empty Miller quart bottles, Farrah Fawcett pinups and battered skateboards lining the walls.
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While "Dark Girls" (www.officialdarkgirlsmovie.com) makes its way across the country, Duke and Berry are working on their next documentary, which will deal with light-skinned black women.
So on Black Light she conspires with hip-hop and pop producer-arranger Mike Elizondo on an album that seems designed to pay its respects to pop radio.
From the London-based Underground Rebel Bingo Club, which throws wild, impromptu bingo parties around the world, to a version in Philadelphia involving drag queens on roller skates, to "cosmic bingo" played under black light, bingo is crawling out of its recreation-center past.
He's been an off-site chief executive ever since he bought his first RV maker in 1977, when he rented a one-room apartment with a single light and a black-and-white TV above a pizza parlor in Butler, Ohio (pop. 921) and commuted every week from New York.
The man was wearing a black Slazenger vest, light brown Pierre Cardin trousers which had black tape linking around two of the belt loops acting as a makeshift belt, and white Lonsdale trainers with a blue trim and velcro fasteners.
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He says it could have been a deer but did not seem the right shape and was very light footed and very black.
The researchers estimate that the two light sources come from black holes between 20 million and one billion times more massive than our Sun.
Johnson made light work of the Black Caps batting order after Simon Katich had scored an unbeaten century on Saturday to put the hosts in control.
Divadlo Ta Fantastika, which stages multimedia and black-light shows in an Old Town basement not far from Charles Bridge, filled with about 3 meters of water.
The bait contains dye, which will be measured in a black-light examination of rat whiskers to reveal how quickly subway critters consume the ContraPest and whether a change to a more flavorful recipe might be needed.
Real black holes' light-swallowing abilities make them notoriously difficult to observe directly, though their gravitational effects on their surroundings can be seen.
Its event horizon, the outer edge inside which not even light can escape from the black hole's gravitational pull, would be only about 7.5 million kilometres.
It will depend on what you were doing last, but the black controls helpfully light up when they are useful, and remain dim when they are not.
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This is clear most notably in the case of industrial melanism, a process that turned light-coloured moths sooty black so that they would match their daytime perches in the polluted cities of the industrial revolution.
Economists would say the rising prices are like the check engine light coming on on the dashboard, and to lift the gas tax would just put a piece of black tape over the warning light.
Oakland, California, native and former broadcast journalist Ricki Stevenson fulfilled a lifelong dream of moving to the City of Light, and in 1997 launched Black Paris Tours.
The Stadium of Light seemed to have become a black hole that sucked the creativity, inventiveness and composure out of any player who signed a Sunderland contract.
The device feels quite rigid, thanks to Motorola's hallmark Kevlar backing, although the aluminum rim did begin to show itself underneath the black paintwork after some light scratches.
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The brews in question range from a premium lager to an odd blend of stout, light ale and brandy known as Black Snake, but it is the Honey Blonde Ale that gets people talking.
In addition to the rusty metal chair on which he was placed, with his hands still cuffed, it had a fluorescent light whose flickering beams penetrated the black cloth that covered his eyes.
Black holes are notoriously difficult to study, since so much in astronomy depends on the detection of light - and within a certain distance from a black hole, even that cannot escape.
The black holes are separated by an estimated distance of less than a third of a light-year - cheek-to-cheek by black hole standards and significantly closer than the postulated binary system spotted by the Chandra X-ray Observatory in 2003.
Starting at ISO 100 and ranging all the way to ISO 3, 200 (previously only available for incredibly grainy black and white film shots), the camera can manage in low-light situations previously resigned to lots of flash or lots of black.
But the gods showed the Black Cats another ray of light when Rosicky inexplicably blazed over the bar.
"Today's reading is certainly a positive development, especially in light of better-than-expected Black Friday retail sales results, " said BNP Paribas.
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