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Abstract: An anodic alumina oxide (AAO) film with nano-roughening is added on the top window layer of AlGaInP light-emitting diodes (LEDs) to improve the light extraction of the device. The AAO film ...
Runway lights weren’t working as pilot tried to land at foggy San Diego airport before fatal crash
Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. The weather alert system and runway lights weren ...
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