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Monthly Archives: July 2011

‘Cause baby you’re a firework*

To get the rainbow of colors in this Vancouver display, fireworks engineers used copper, barium, sodium, calcium, strontium and lithium. [Image Credit: ahisgett, Flickr What makes a firework a firework? There’s the elation at the whine of the rocket as it makes its way high into the sky, and the unbridled excitement as it explodes […]