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.
The United States Declares War
"No matter how long it may take us to overcome this premeditated invasion, the American people ... more
Tupperware Retrospectale
With some ingenuity and a power-house marketer, a plastic that was originally made for the military ... more
