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.
All kinds of materials but no drywall in the house of the future from Motorola./ Paleofuture/Promo image. Gypsum board, or drywall as most people call it today, was invented in 1916, but nobody wanted the stuff. It was considered cheap. It took World War II, with its shortage of trades and the demand for cheap and fast buildings, to make it acceptable.