Two ordinary tin cans linked together by a string, invented by children as a means of talking with one another from a distance. Although only a toy, this concept resulted in one of the greatest evolutionary inventions of mankind, the telephone. The telephone is every where! At every stoplight, someone is talking on the telephone as they sit in their car. Walking down the street, in all business waiting rooms, in bathrooms, and even in …
showed first 75 words of 1996 total

showed last 75 words of 1996 total
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