00:00in 2017 the federal aviation administration reported a staggering 6754 laser attacks on
00:11aircraft these dangerous acts more than mere hooliganism can blind pilots with bright flashes
00:18causing temporary or even permanent visual damage depending on the lasers properties
00:24however there's hope on the horizon scientists at the university of lewis have developed a
00:31groundbreaking glass that could neutralize this threat presented at the american chemical society
00:37acs spring meeting this innovative material utilizes liquid crystals substances with unique
00:44properties between liquids and solid crystals commonly found in electronic screens the
00:50researchers employed a solution of liquid crystals called n-4-metoxybenzene-4-butylinolen
00:57mbba sandwiched between two glass panels mbba possesses both a transparent liquid phase and
01:05an opaque crystalline phase that scatters light by applying voltage the crystals align with the
01:12electric field transitioning to their strongest crystalline state and blocking up to 95 percent
01:18of red blue and green laser beams the beauty of this system lies in its potential for automation
01:25a photoreceptor in the aircraft detects laser light triggering the energy system to apply the voltage
01:32once the laser thread is neutralized the system deactivates and the liquid crystals revert to their
01:38transparent state importantly this effect is localized ensuring the rest of the windshield remains clear
01:46this targeted approach promises to significantly enhance pilots safety and potentially eliminate the dangers posed
01:54by laser attacks
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