She'll have a mission! I can't wait to get some new appliances, the stove is nearly 20 years old and looks very dated, I'm tasting a solid surface instead of burners! And I can't wait to have a back-up fridge in the garage, that's where our 15 year old white one will go, for when we entertain or when Woody hunts. Oh, bliss! Extra room.
The abacus was one of the earliest counting devices in Asia and parts of Europe. It is still used today for arithmetic: adding, subtracting, multiplying and dividing. [ Pictures ] [ Brief History ] [ Bibliography ] [ Related Links ].f that wasn't enough, things in nature were used like shells, twigs, pebbles, stones, and so forth. It is a good idea to think about the history of arithmetic, mathematics, writing and recorded information.
The Water Clock Around 1400 BC (around 3,400 years ago), the Egyptians invented the water clock, or as they called it the Clepsydra (pronounced KLEP-suh-druh). These water clocks were made from two containers of water, one higher than the other.s the clocks became more accurate, so a new device was needed and so in 1577, Jost Burgi invented the minute hand. This addition had many problems and was not considered practical until the a man named Christian Huygens invented the pendulum clock.