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Celebrate "Pi" Day

On Tuesday, March 14 have a pizza – or maybe an apple “pie” to celebrate “Pi” day

3.14. “Pi”. The number π is the mathematical constant, representing the ratio of a circle's circumference to its diameter. It has been represented by the Greek letter “π” since the mid-18th century, though it is also sometimes spelled out as “Pi.”

Formed Underground or in a Lab: Diamonds Still Sparkle

Thinking about a diamond for your valentine? How about one made by scientists? 

General Electric announced in 1955 that its scientists had created a diamond. Although man-made, the synthetic diamond was pure carbon, just like a natural diamond. The company didn't enter the jewelry business but “used the stones to make tools for cutting and polishing metals, glass and even teeth,” according to GE Reports, a company newsletter.

Early Match Making Was A Dangerous Business

The match business was booming at the turn of the 20th century when a match factory opened in Chesterfield County. The American Match Manufacturing Company started its Coalboro plant in 1903 near what today is Pocahontas State Park, according to Ken Shiflett, whose hobby is researching Chesterfield County history. The plant, which operated for 7 years, made its own matchsticks from trees grown on the property and received raw materials and shipped matches using a rail spur next to the plant.

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