Good morning.
The end of the week will bring scattered showers (a fifty-percent chance) and a high of forty-seven.
On this day in 1512, the Sistine Chapel ceiling goes on public display.
On this day in 1863, a pen magnate is born:
1863 – George Safford Parker Born
On this date George Safford Parker was born in Shullsburg. While studying telegraphy in Janesville, he developed an interest in fountain pens. In 1891 he organized the Parker Pen Company in Janesville. The company gained world-wide acclaim for innovations like the duo-fold pen and pencil. Parker served as president of the company until 1933. Parker died on July 19, 1937. [Source: Dictionary of Wisconsin Biography, p.280]
Scientific American‘s daily trivia question asks about energy. (Clicking on the question leads to its answer.)
About what percentage of the universe is dark energy thought to comprise?