Should You Paint a North-Facing Room Blue? When You Can, and When You Absolutely Shouldn't
With a bit of planning and preparation, even the darkest of rooms can become a beautiful home for both light and dark shades ...
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Ancient Egyptian Powder Makes Fingerprints Glow
can be used as dusting powder to detect fingerprints on complicated surfaces. The earliest known synthetic pigment, Egyptian blue is found in some of the paint that still colors ancient statues ...