Is There a Way to Create Non-Flammable Fireworks?

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NotAChemist
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With so many advances in technology and science, I find it difficult to believe that no one has cracked the code on non-flammable 'fireworks'-- something that still gives us the same bang for our buck without the ash and firestarters falling back to the earth. So, here's a challenge: Present an alternative that prevents wildfires, but still gives us the colorful and bright presentation of fireworks. Bonus points for a better method of timing the ignition, surface to air delivery, noise reduction and any other safety factors. Go!
 
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A tv might do. Some people enjoy shooting fireworks more than watching (the risk is thrilling).