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....
top of page
Sylvia Rose
1 day ago4 min read
Vorticella: Mysterious Microscopic Pond Life
Vorticella is a genus of single-celled water-loving organisms with specialized cilia. As an adult the microbe attaches to a substrate...
3 views
Sylvia Rose
6 days ago3 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,...
9 views
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,...
5 views
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....
5 views
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...
5 views
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,...
6 views
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...
5 views
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...
12 views
Sylvia Rose
Oct 285 min read
Radioactive Gas: Radon (Rn) Noble & Deadly
Radon (Rn) is part of the noble gas family. Colorless, odorless, and tasteless, radon presents unique characteristics and effects on...
10 views
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....
14 views
Sylvia Rose
Oct 254 min read
Secret Lives of Sulfuric Acid-Eating Bacteria
Acidophillium and Acidobacillus ferroxidens bacteria thrive in harmful conditions. These microscopic sulfuric acid-eating bacteria use...
11 views
Sylvia Rose
Oct 244 min read
Acid-Producing Bacteria in Sulfuric Acid Creation
Thiobacillus, Thiothrix, and Beggiatoa are genera of acid-producing bacteria with significant contributions to creation of sulfuric...
13 views
Sylvia Rose
Oct 214 min read
Lactic Acid Bacteria: Nature to Modern Uses
Lactic acid bacteria are important to fermentation of human foods like yogurt, pickles and cheese. Their transformative powers might seem...
14 views
Sylvia Rose
Oct 205 min read
The Unseen World: Protozoans in Nature
Protozoa are single-celled organisms integral to ecosystems worldwide. As microbes they're microscopic and invisible to the human eye....
18 views
Sylvia Rose
Oct 194 min read
Digestion & Horse Manure: Alchemy Process
Digestion is the alchemical process of applying steady heat to a substance in a flask or container. Digestion can last hours or days. The...
23 views
Sylvia Rose
Oct 174 min read
Gouache Painting: Artist Essentials & Art Tips
Gouache painting has a unique charm and offers versatility for artists and art appreciators. This unctuous type of paint delivers vibrant...
15 views
Sylvia Rose
Oct 164 min read
Xanthan Gum & Plant Blight: Xanthomonas Campestris
In microbiology the bacterium Xanthomonas campestris can be a gift from nature or a scourge of plants. Tiny but mighty, these...
16 views
Sylvia Rose
Oct 145 min read
Carbon Steel: Origins, Composition & Uses
Carbon steel is an essential material in various industries, renowned for versatility and strength. Uncover the secrets of carbon steel:...
5 views
Sylvia Rose
Oct 134 min read
Potassium Hydroxide (KOH) Caustic Potash
Potassium Hydroxide, also known as caustic potash, has a history dating back to ancient times. A versatile chemical compound, it's used...
9 views
bottom of page