Sylvia Rose
Chlorine (Cl): Properties, Hazards & Uses
Chlorine (Cl) is a vital element in nature, used in industry as a disinfectant. Characterized by its highly reactive habits, chlorine is...
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Sylvia Rose
9 hours ago5 min read
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
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
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 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
Jul 283 min read
Roger Bacon: Medieval Science & Alchemy
Roger Bacon (c. 1219 - 1292) is a Franciscan friar and fiery figure in medieval and later science and philosophy. He's known for his...
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Sylvia Rose
Oct 13, 20233 min read
Gnomes: Earth Spirits of Renaissance Mythology
Beloved in gardens, gnomes bring blessings of Earth. Thought to dwell in underground tunnels, caverns, soil and rocks, chthonic gnomes...
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