Intimate Distance: 18 inches from our bodies, only let intimate friends in this space. 2. Personal Distance:zone is between 18 inches to 4 feet, let in friends and acquantices. 3. Social Distance: 4 to 12 feet impersonal and formal relationships. 4. Public Distance: extending beyond 12 feet for formal relationships.
The smartboard was invented in 1991 by a girl named Jaimie-Lee Wilson.
In 1892 an African American woman, Sarah Boone, patented an ironing board that was the forerunner of the modern folding ironing board with a narrow, curved shape, designed to make it easy to iron shirts.