Mosaic gold is also known to alchemists as aurum musivum or aurum mosaicum due to its mottled formation. Forgotten in the data fields...

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...

Hydrochloric acid is a powerful chemical. Used from old alchemical practices to modern times, this colorless, pungent-smelling liquid is...

The Renaissance brings a unique approach to medicine. Based on the Four Humors theory of health the Galenic way, purging the body of...

Antimony oxychloride or Powder of Algaroth is a compound first appearing in 15th century Europe. During the Renaissance Powder of...

Alchemy seeks the magnum opus or great work. This twelve step program comes from the anonymous Ripley Scroll, so called as alchemist...

Chemistry from 1600 to 1800 yields transformative discoveries influential today. In the German lands this era is characterized by...

The Scientific Revolution, from 1543 to 1687, transforms human understanding of the natural world. This period involves events and...

Antonie van Leeuwenhoek (1632 - 1723) is a self-taught scientist whose work in microscopy revolutionizes medicine and other disciplines....

Jan Baptist van Helmont (1580 - 1644) is a Flemish physician, alchemist / chemist and natural philosopher. A disciple of Paracelsus , he...

Sodium silicate or "water glass" or liquid glass, originates in ancient practices. A chemical compound, sodium silicate is composed of...

Toxic heavy metals cadmium, mercury, lead, chromium, and arsenic are elements known for high density and toxicity even in small amounts....

A separatory funnel is an essential piece of laboratory equipment used in liquid-liquid extractions, allowing alchemists to separate...

Decomposing horse manure is essential in the alchemical process of digestion. A flask of substances is buried in dung. As if by magic the...

Microbiology explores the world of microbes or micro-organisms. It reveals a hidden dimension of unseen forces shaping health,...

Talc or hydrated magnesium silicate is a naturally occurring mineral, primarily composed of magnesium, silicon, and oxygen. With its...

Artists of Renaissance Europe cultivate palettes rich in colors sourced from elements both enchanting and lethal. The Renaissance is...

Gouache painting has a unique charm and offers versatility for artists and art appreciators. This unctuous type of paint delivers vibrant...

Soot, also loosely called lampblack or carbon black, is traditionally used to make ink, painters' pigment, medicines and makeup. A...

Soot is as old as fire. A dark, powder formed by incomplete burning of organic matter, it's used for centuries due to its easy...