Link: https://co2coalition.org/media/dr-william-happer-discussessodium-laser-guide-star/
Please see link above for source text.
04.24.2024
Dr. William Happer Discusses Sodium Laser Guide Star
Dr. William Happer, CO2 Coalition Chair and Princeton Professor Emeritus, discusses his invention, the sodium laser guide star, part of the Strategic Defense Initiative, that is used in astronomical adaptive optics to correct for the degrading effects of atmospheric turbulence.
ttps://youtu.be/VrQFT_JaFps
https://www.llnl.gov/article/44936/guide-star-leads-sharperastronomical-images
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