First Handheld Calculator
The first scientific pocket calculator hit the market in 1972. It was the HP 35. It got its name for its 35 keys. At $395 it was a bestseller with a million units sold in the first year.
Johnstown Flood
On May 31, 1889, a flood of enormous proportions took the lives of more than 2,000 people in ... more
Girl Scouts: Girl Power Since 1912
The Girl Scouts was the vision of Juliette Gordon Low a wealthy widow from Savannah, Georgia. ... more
