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.
WHO invented the first computer? The answer will surprise you: it was Charles Babbage, in the year 1832. Babbage, who was born in London in 1791, was a great mathematical genius. He was a natural inventor, and invented all sorts of new products. When he finished school, he went to study mathematics at Cambridge University.