Developed a filter, Wood's glass, that was opaque to visible light but transparent to both ultraviolet and infrared, and is used in modern-day black lights
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Developed a filter, Wood's glass, that was opaque to visible light but transparent to both ultraviolet and infrared, and is used in modern-day black lights
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-24 from Wikipedia. The archived copy is preserved so this citation survives link rot.