A scientist explains fireworks, exploding ping pong balls ahead of the Exploratorium's July 4 party - Laredo Morning Times

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A scientist explains fireworks, exploding ping pong balls ahead of the Exploratorium's July 4 party  Laredo Morning TimesTake a little bit of gunpowder and a dash of elements from the periodic table. Combined together, these substances create the colorful, glittering explosions in ...