As audience members found their seats, the stage production motifs were strong but not overindulgent blue and red blocks of light on the runway to evoke the South Korean flag, alabaster program notes and flecks of traditional folk music.
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The museum was open that day, leaving Mr. van Vliet and his team half an hour to light almost 2, 000 red, white and blue candles on its central staircase.
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Generally LED bulbs use either a combination red, green and blue LEDs to create white light, or they use a phosphor coating (more common) in combination with a blue LED.
The show started with clothes in camel, black and gray but these immediately gave way to oversized leopard print sweaters, a short suit in traffic light red and a wispy blue dress with a cutaway hem that was paired with drainpipe trousers.
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The techniques employed might also help to improve LEDs that produce white light by mixing red, green and blue emitters.
Red, green and blue filters then allow different colours to show within each pixel, but light has to be shone through them for this to happen.
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The display's backlight has nanopatterned grooves that send blue, green and red in multiple directions, letting the LCD show only the light that would be seen from a given viewpoint.
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In two of the trials, the box was dark for 12 minutes and then illuminated for 48 minutes with either long-wavelength red light or short-wavelength blue light directed at the subjects' corneas. (Light color is determined by its wavelength.) The box was dark in a control experiment.
Colors on this thing span the Skittles rainbow of green, orange, red, blue and a new metallic blue, Azzurro Thetys, whose tone varies with the angle of the light.
Red and white industrial rope light strands will grace the Canadian arch portion of the bridge, while red, white, and blue strands will grace the U.S. double-arch portion of the bridge.
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When a blue light is applied to the area, it activates the drug and shows any abnormal cells as red.
This refraction eliminates both the red end of the spectrum (red light is not bent enough by the air layer to form part of the second image) and the blue frequencies (which are scattered away: this selective scattering is why the sky is blue).
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