Ladies and gentlemen, light your fuses. (SOUNDBITE OF FIREWORKS) WESTERVELT: Fire in the hole. Tonight, as you oooh and awe to brilliant reds and whites and blues bursting in air, you might wonder ...
U.S. and German researchers developed a cleaner material for making red flares. Here, they captured a mid-burn image of the strontium- and halogen-free flare burning. Researchers at the U.S. Army ...
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