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
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 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 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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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 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 278 min read
Scientific Revolution Europe 1543-1687
The Scientific Revolution, from 1543 to 1687, transforms human understanding of the natural world. This period involves events and...
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Sylvia Rose
Oct 265 min read
The Microscope: Antonie van Leeuwenhoek
Antonie van Leeuwenhoek (1632 - 1723) is a self-taught scientist whose work in microscopy revolutionizes medicine and other disciplines....
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Sylvia Rose
Oct 265 min read
Jan Baptist van Helmont: Renaissance Medicine
Jan Baptist van Helmont (1580 - 1644) is a Flemish physician, alchemist / chemist and natural philosopher. A disciple of Paracelsus , he...
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Sylvia Rose
Oct 267 min read
Sodium Silicate: Alchemy of Water Glass
Sodium silicate or "water glass" or liquid glass, originates in ancient practices. A chemical compound, sodium silicate is composed of...
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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 204 min read
Separatory Funnel: Alchemy Lab Equipment
A separatory funnel is an essential piece of laboratory equipment used in liquid-liquid extractions, allowing alchemists to separate...
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Sylvia Rose
Oct 195 min read
Alchemy & Heat: Decomposition of Horse Manure
Decomposing horse manure is essential in the alchemical process of digestion. A flask of substances is buried in dung. As if by magic the...
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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
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