Shows A - Z : How's That Work? : Coffee Maker, Battery, Pager : Home & Garden Television

Coffee Maker, Battery, Pager
Coffee lovers have been searching for the best way to enjoy their beans since Ethiopian farmers began eating them 11 centuries ago. Frustrated with the traditional way of brewing coffee, a German housewife named Melitta Bentz set out to find a better way. Using a piece of her son's blotting paper as a filter over a perforated brass pot, she let gravity pull hot water through the grounds and drip into the pot. Next, the first battery was invented over 200 years ago by an Italian man named Alessandro Volta. He discovered that under the right circumstances different types of metals reacted with each other in special ways, and that reaction gave off electricity. Finally, what we have come to know as a pager first came about in the late 1950s, when the Motorola company invented a small radio device that received a simple message. Fifteen years of refinement made pagers small enough to run off standard batteries and light enough to be carried on your belt.

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