Wikimedia
Wikipedia: Alloy
This site from the Encyclopedia Wikipedia provides the definition of the term, "Alloy," and then offers hyperlinks to special alloys. The information is very brief, but factual, and worth checking out on the subject.
Science Struck
Science Struck: Common Uses of the Element Mercury
Discusses the toxicity of mercury, something that has been only fully understood in recent years, and what it has been used for. Some of these applications are being discontinued as manufacturers find ways of replacing the mercury with a...