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The spectrometers will also measure properties including molecular weight, electrical charges and the amount of light absorbed at different wavelengths.
MSN: New Mars rover hunts for life by 'cooking' rocks
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In electrophoretic displays, tiny white and black pigment particles are given opposite electrical charges and encapsulated in microcapsules of about the diameter of a human hair.
ECONOMIST: REPORTS
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In May, auto industry officials and the National Highway Traffic Safety Administration (NHTSA) and the Energy Department discussed potential dangers faced by first responders from electrical charges produced by hybrid and electric cars.
CNN: STORY HIGHLIGHTS