Gasoline pump was operated for the first time in 1885. Created by Sylvester F. Bowser of Fort Wayne, Indiana, it could hold a barrel of gasoline. Automobiles were not invented then, so why a gasoline pump? He was using it to measure and sell kerosene. Later, he adapted it to measure automobile gasoline.
Orbiting Geophysical Observatory 1 was launched 1964. Five other Orbiting Geophysical Observatories were launched between 1965 and 1969. These satellites measured the earth’s magnetosphere and provided data about the earth and sun. The last of the six stopped operating in March 1972. Older children can learn more at: OGO.
Voyager I was launched in 1977. It approached Jupiter in 1979 and Saturn in 1980. It continues to explore deep space and send back data. Traveling at a maximum speed of 38,000 miles per hour, Voyager I has traveled far beyond Pluto’s orbit. Children can visit a VERY INTERESTING WEBSITE: Voyager.