Fun Fact of the Day: The first vision correction device was invented in 1000 AD, and called a reading stone. As you can imagine, it was for farsighted folk who couldn’t read properly, and was basically a glass sphere used as a magnifying glass.
On this Day in History in 1056: Supernova Crab nebula last seen by the naked eye.
Fun Fact of the Day: Chromophobia, also known as chromatophobia is a persistent, irrational fear of colors. A severe form of this phobia can hinder daily activities and can make life self-limiting. People with chromophobia may correlate a distressing past event with a color.
On this Day in History in 1855: First train crosses Miss River’s first bridge, at Rock Island Illinois and Davenport Iowa.