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Vintage Light Blue Glass Ashtray Popular Q&A

Q: Why does orange tinted glass block blue light?
A: When you look through a partially transparent object, it blocks all of the wavelengths of light except for the one that we call it.  An orange filter passes lig... Read More »

Q: How does blue glass helps us see violet and blue light?
A: it filters out yellow flames caused be the contamination of Na( sodium) Read More »

Q: What color of light best passes through blue glass?
A: blue light passes through best. my knowledge of light is limited (while googling it. i'm simultaeniously answering this question) however, i do know that in THE... Read More »

Q: Where to get a fuzzy light blue vintage beret?
A: this ones purple but still cute x. http://www.virtualvintageclothing.co.uk/…. Read More »

Q: Why does red light travel faster in glass than blue light?
A: In glass, the velocity is proportional to the wavelength. Read More »