Sylvia Rose
Carl Wilhelm Scheele: Poisonous Chemistry
Carl Wilhelm Scheele (1742 - 1786) is a self-taught German-Swedish chemist whose work has strong impact on chemical sciences of the day....
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Sylvia Rose
1 day ago5 min read
Copper(II) Sulfate: Blue Vitriol, Chalcanthite
Copper (II) sulfate CuSO4 yields a vivid color and widespread applications. Also known as blue vitriol in alchemy and chalcanthite in...
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Sylvia Rose
5 days ago5 min read
Iron(III) Oxide: Creation, Art & Science
Iron(III) oxide or ferric oxide (Fe2O3) yields a striking red color as a pigment, and has a wide range of uses. From industrial...
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Sylvia Rose
5 days ago6 min read
Colorful World of Bacteria - Color Producers
Bacteria affect food, water, soil, human health and the vibrant colors of art. Here are six remarkable bacteria known for stunning...
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Sylvia Rose
6 days ago5 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
7 days ago5 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
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 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 287 min read
12 Steps to the Magnum Opus: Ripley Scroll
Alchemy seeks the magnum opus or great work. This twelve step program comes from the anonymous Ripley Scroll, so called as alchemist...
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Sylvia Rose
Oct 274 min read
Prussic Acid: Secrets of Hydrogen Cyanide
Prussic acid, widely known as hydrogen cyanide (HCN), is a compound with rich history and unique properties, and one of the most...
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Sylvia Rose
Oct 275 min read
Great Advances in Chemistry 1600-1800
Chemistry from 1600 to 1800 yields transformative discoveries influential today. This era is characterized by groundbreaking discoveries...
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Sylvia Rose
Oct 235 min read
Iron III Acetate - Formula, Production, Use
Iron III acetate, or ferric acetate, is a non-toxic compound in numerous scientific and industrial applications. Ferric acetate is a...
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Sylvia Rose
Oct 226 min read
White Lead Toxic Beauty, Art, Ancient Production
White lead, lead(II) carbonate or PbCO₃, has a long history in art, paint and industry. It's a primary source of white for artists and in...
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Sylvia Rose
Oct 216 min read
Heavy Metals Cadmium, Mercury, Lead, Chromium & Arsenic
Toxic heavy metals cadmium, mercury, lead, chromium, and arsenic are elements known for high density and toxicity even in small amounts....
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Sylvia Rose
Oct 214 min read
Arsenic Trioxide: Paris Green Paint Pigment & Pesticide
Arsenic trioxide is a toxic compound with a a long and complex history, known at least by the time of the ancient Romans. Here's a look...
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Sylvia Rose
Oct 195 min read
Meet the Microbes - History of Microbiology
Microbiology explores the world of microbes or micro-organisms. It reveals a hidden dimension of unseen forces shaping health,...
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Sylvia Rose
Oct 185 min read
Talc (Magnesium Silicate): Beauty, Art & Industry
Talc or hydrated magnesium silicate is a naturally occurring mineral, primarily composed of magnesium, silicon, and oxygen. With its...
18 views
Sylvia Rose
Oct 176 min read
Paints of the Artist's Palette in Renaissance Europe
Artists of Renaissance Europe cultivate palettes rich in colors sourced from elements both enchanting and lethal. The Renaissance is...
15 views
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