Robert Bosnak. Red Sulphur, $3.99 e-book (504p) ISBN 978-0-9909321-0-9 Bosnak debuts with a high-stakes fantastical tale set largely in the Netherlands during the late 17th century.

There are records of Chinese alchemists making flammable sulfur-saltpeter mixtures in intervening centuries, but the first record of something resembling gunpowder comes in 850 C.E. in an ...

Newton's Dark Secrets Student Handout Keys to the Stone Some Common Symbols in Alchemical Texts and Images baths: cleansing; dissolving a solid in a liquid black cow: black or purifying matter ...

Newton's Dark Secrets Student Handout Keys to the Stone Some Common Symbols in Alchemical Texts and Images baths: cleansing; dissolving a solid in a liquid black cow: black or purifying matter ...