They are all composed only of carbon. What determines the properties of any substance? Simple. The properties of any substance depend on the type and number of atoms they are composed of, and of...
In 1895聽Wilhelm Roentgen made one of the most famous medical discoveries of all time when he noticed that a beam of electrons passing through a partially evacuated tube gave off invisible rays that...
Cocaine. Credit for the discovery of cocaine as a local anesthetic is usually attributed to Dr. Carl Koller, an Austrian opthamologist who in 1884 demonstrated that dropping a solution of cocaine...
A powder made from the scabs of pustules on the skin of people who had survived smallpox. The eradication of this horrific disease, which is thought to have first appeared around 10,000 B.C., is...
The second part of the question is easy to answer.聽 鈥淪altpetre,鈥� (the term refers either to potassium or sodium nitrate) has no effect on carnal urges.聽 The story that this chemical was put into...
With mercuric chloride, also known as 鈥渃orrosive sublimate.鈥� People have been intrigued by mercury and its compounds for over 3500 years. Ko Hung, an ancient Chinese alchemist was one of the first...
First, a little history is in order. Soap making is one of the oldest of all chemical processes. There is even a reference to soap in the Bible in Jeremiah 2:22. "For though thou wash thee with...
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