Forming temporary airborne images

This invention describes a system for creating temporary pictures in the sky, like for shows or ads. It uses a pod that holds many small cannons, each loaded with multiple fireworks. To form an image, the system picks which cannons to fire and can adjust each one's angle to precisely aim the fireworks, releasing their image-forming material at specific points in the sky.

Why it matters: Real-time trajectory computation and precise GPS guidance are now far more accessible, making the fine control for individual projectile aiming practical.

Status: In forceA lapse was cured by a late fee and protection was reinstated.
How hard to build: SpecializedPrecision aiming, trajectory software, pyrotechnic control.

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