Celebrated annually on December 20, Cathode-Ray Tube Day pays homage to a revolutionary invention that transformed visual Technology. Once the beating heart of televisions and computer monitors, the cathode-ray tube paved the way for modern display systems. Across the United States, this observance inspires Appreciation for the engineers and inventors whose ingenuity illuminated screens and minds alike. It serves as a reminder that even as new innovations emerge, the legacy of foundational discoveries continues to shape the world’s digital evolution and inspire future generations of creators.

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