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Ray Horvath, "The Source" :)'s avatar

Sorry, I'll be away for a few hours; will respond after that. If anyone seconds any of the ideas, that will be automatically posted.

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Danyèle's avatar

Laser beams are made to be colour selective. They can pierce the only red balloon through a row of different colour ones. https://www.youtube.com/watch?v=1jcjwsoJZkM

The most powerful are the blue ones (military use), meaning they won’t affect blue objects rapidly:

https://biglasers.com/blog/2021/04/27/what-color-laser-pointer-should-i-buy/#:~:text=Blue%20lasers%20are%20typically%20higher,can%20aid%20in%20burning%20ability.

The Blue Laser and Its Applications in Industry and Science [melting metals… as Aluminum?]: https://optlasersgrav.com/blue-laser#:~:text=Additionally%2C%20blue%20lasers%20are%20used,energy%20from%20a%20blue%20laser.

Blue filter on green laser blocs 80% of the beam. When a laser throws green colour light on a blue and red balloons, the red will burn first. In this case, we are talking of milliseconds laser bursts. Any non-green object will burn faster than any other colour.

Considering that many blue or brown materials have a green pigment component they would either not burn or burn much slowly.

Match this with a detailed Lidar map of an area, as observed over Hawaï in January 2023, and selected locations to be spared (billionaires’ houses) to the nearest millimeter and you might get the perfect Lahaina burning pattern.

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