Up to twelve percent of children have diagnosed or undiagnosed auditory processing disorder, a condition that inhibits the brainâs ability to translate and process sounds.
Magnesium is sometimes used in flares and flashbulbs because it  burns with a bright white light.
Fireworks often make use of zinc dust to create bright, shimmering sparks. The zinc metal flakes heat up until they are incandescent and shine brightly or, at a high enough temperature, actually burn. A variety of chemicals can be added to create the brilliant colors, but it is the zinc that sparkles.