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Early Refrigerator
Jacob Perkins invented a cooling machine that used ice; it was an early refrigerator. Refrigeration brought distant production centers and the North American population together Refrigeration’s great strides offered us ways to preserve and cool food, other substances. -
Telephone
The telephone was created by Alexander Graham Bell.It allowed people to speak across distances, but it was expensive and only the richest families could afford them for a very long time. -
Light Bulb
Thomas Edison contributed in inventing the lightbulb.It provided a new form of lighting both homes and businesses. -
Coca Cola
John Pemberton invented Coca Cola.Coca Cola companies contribute to the economic success of each community by employing local people and paying taxes to governments. -
Radio
Radios send messages by radio waves instead of wires. German scientist Heinrich Hertz proved the existence of radio waves, which occur in nature.Two men a Serbian-American scientist Nikola Tesla and a Italian physicist Guglielmo Marconi invented the radio.
