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.
1822 AD-Charles Babbage designs the first computer, the Difference Engine, for the purpose of computing navigation and celestial tables. 1833 AD-Charles Babbage invents the Analytical Machine, the first punch-card programmable general-purpose computer.NIAC was not the first electronic computing device.... By the early 1930s, physicists were already using radiation counters, which employed vacuum tubes as did the ENIAC, and several laboratories before the Moore School had produced devices known as ring counters, which could count from one to ten.