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ADVANCES IN FIREWORK TECHNOLOGY:

SHARE ADVANCES IN FIREWORK TECHNOLOGY:

-Fireworks can be ignited by electrical impulses instead of manually applied fire.

-Colors have been improved; new resins make the stars, particularly the reds and greens, deeper and brighter.-New "pattern shells" create identifiable shapes in the night sky, like butterflies, the planet Saturn, perfect circles and five-pointed stars.

-Willow shells, which have been around for a long time, have been refined so that the tendrils from the original burst of stars now fall practically to the ground, leaving a tracery behind.

-Strobe shells are large clusters of stars, usually bright white, which pulsate, seeming to wink on and off as they slowly fall.

Across the nation this Fourth of July:

-50 million grills will fire up.

-3 million gallons of lighter fluid will be squirted, equivalent to three years' worth of rain in Seattle.

-1.5 billion charcoal briquettes will be lit, enough to fill 66 boxcars.

-200 million steaks and 154 million hamburgers will be grilled.

SOURCE: USA Today.

SCOTTY;07/04,14:23 1 Advances in firework technology: cross the nation this Fourth of July:

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