Most Popular Issues
Most Commented Issues
Random Facts - We mark epochs in our history after them.
0 Comments »
To ensure that you continue to receive these e-mails, please add
to your e-mail address book.
Wednesday, October 26, 2016
Metals are an important part of our world. So important we mark epochs in our history after them; such as the Bronze Age and the Iron Age. The Bronze Age goes back as far as 3600 BC, however, interestingly enough, it wasn't until 1735 that a metal, cobalt, was discovered that was completely unknown to the ancients.
Since that time some truly bizarre metals have been discovered, such as...
Email the Editor
Today's Random Fact:
Mercury, which becomes solid at -40 degrees F, is the only metal that is liquid at room temperature.
The rare metal gallium melts at 86 degrees F. It is safe to touch. If you hold a piece of it in your hand and wait, your body heat will melt it.
Gold is the sixteenth most rare of the chemical elements. Though it is one of the rarest metals, gold was the first to be discovered by man.
Login to Add Comment
There are currently no comments, be the first to Add one below!
Copywrite © 2017 Penn LLC