Did you know there is silicon on the moon?
During the moon landing of 1969, Neil Armstrong, Buzz Aldrin, and Michael Collins left a small silicon disk on the moon containing messages of goodwill from many of planet earth’s most notable leaders at the time. Considering we have found countless uses for the element, it is not surprising that silicon is among the tokens left on the moon’s surface by the Apollo 11 team.
We often think of lead as the toughest metal, but did you know barium is just a little bit tougher?
An underdog on the periodic table, barium is not the most well-known element, yet every day we enjoy the benefits that barium provides us. Barium is an alkaline earth metal, primarily sourced from the minerals barite and witherite. Fresh cut barium has a silvery-white sheen but when left in contact with oxygen it quickly begins to oxidize.