Sylvia Rose
Oil-Dwelling Microbes: Bacteria, Yeast, Fungi
Culinary oils are teeming with microbial life such as bacteria, yeast and fungi. Popular oils like olive oil, vegetable oil, almond oil,...
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Sylvia Rose
Nov 25 min read
Silent Destroyers: Microbes of Concrete Corrosion
The microbes of concrete corrosion include bacteria, fungi and algae. Their purpose in life is to break down and decompose matter, and...
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Sylvia Rose
Nov 23 min read
Silent Destroyers: Microbial Corrosion of Concrete
Microbial corrosion of concrete by bacteria, fungi and algae destabilize structures of home and environs. While the impact of weather,...
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Sylvia Rose
Nov 25 min read
Metal Salts: Ancient History to Modern DIY
Metal salts are compounds created from metals and acids. In history and today they enjoy uses in beauty, natural health, chemical...
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Sylvia Rose
Nov 15 min read
Silverpoint Drawing: Art of the Renaissance
Silverpoint is a drawing medium with distinct artistic potential. This delicate and precise medium has a rich history, unique properties,...
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Sylvia Rose
Nov 18 min read
11 Favorite Drawing Mediums of Artists
Drawing is a creative expression for humans since cave paintings of prehistory. In art, anything making a mark is a drawing tool....
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Sylvia Rose
Nov 14 min read
Sanguine: Red Chalk of Renaissance Masters
Sanguine is a rich, reddish-brown chalk beloved by Renaissance artists such as Michelangelo. Creating flesh-like tones in the human form...
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Sylvia Rose
Nov 15 min read
Guar Gum: Unique Qualities for Art & Crafts
Guar gum is recognized for its unique natural properties in visual arts and crafting. From enhancing textures to creating custom paints,...
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Sylvia Rose
Nov 15 min read
Cupriavidus metallidurans: Metal Eating Gold Making Bacterium
Cupriavidus metallidurans has an extraordinary ability to prosper in toxic environments. Not only does it survive, it turns toxic metals...
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Sylvia Rose
Oct 313 min read
Mosaic Gold: Alchemy of a Forgotten Art
Mosaic gold is also known to alchemists as aurum musivum or aurum mosaicum due to its mottled formation. Forgotten in the data fields...
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Sylvia Rose
Oct 313 min read
Chloroauric Acid: Gold Salts & Extraction
Chloroauric acid H[AuCl4] is a yellow solution created in the 18th century. A gold(III) salt, chloroauric acid is an innovative compound,...
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Sylvia Rose
Oct 314 min read
Aromatic Cold Oil Infusions: DIY Alchemy Perfumes
Aromatic cold infused oil is a rich artisan tradition of culture and the art of allure. This ancient form of perfume-making connects...
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Sylvia Rose
Oct 303 min read
Artisan Perfumery: Four Degrees of Fragrance
Perfumes are grouped according to their strengths. Every fragrance has a purpose, from a fresh splash of rose or mint to mysterious...
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Sylvia Rose
Oct 303 min read
DIY Perfume Artisans: Top, Middle & Base Notes
DIY perfumes are all about crafting a unique signature scent or giving fragrance as a gift, the benefits of aromatherapy and expression...
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Sylvia Rose
Oct 304 min read
Practical Alchemy of DIY Perfumes & Aromas
The alchemy of perfumes goes back thousands of years. Here are the practical aspects of perfumes in ancient and medieval times, how...
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Sylvia Rose
Oct 303 min read
Alchemy of Perfumes: Scents, Cologne, Rose Water
Perfumes are prized in ancient civilizations such as Mesopotamia, Egypt, India and China. The word “perfume” comes from Latin per fumum ,...
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Sylvia Rose
Oct 306 min read
Science of Alchemy: Alchemical Innovations
Alchemy these days is often seen only as a mystical practice purveying the clic hé of turning base metals into gold. Alchemy is in fact...
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Sylvia Rose
Oct 295 min read
Science of Alchemy: Hydrochloric Acid
Hydrochloric acid is a powerful chemical. Used from old alchemical practices to modern times, this colorless, pungent-smelling liquid is...
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Sylvia Rose
Oct 295 min read
Renaissance Purgatives & Ancient Remedies
The Renaissance brings a unique approach to medicine. Based on the Four Humors theory of health the Galenic way, purging the body of...
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Sylvia Rose
Oct 294 min read
Powder of Algaroth: Antimony Oxychloride Purgative
Antimony oxychloride or Powder of Algaroth is a compound first appearing in 15th century Europe. During the Renaissance Powder of...
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