The link is the physical and logical network component used to interconnect hosts or nodes in the network and a link protocol is a suite of methods and standards that operate only between adjacent network nodes of a local area network segment or a wide area network connection.
Today in History March 16 1926 History March 16 1926, The first man to give hope to dreams of space travel is American Robert H. Goddard, who successfully launches the worldâs first liquid-fueled rocket at Auburn, Massachusetts, on March 16, 1926.
The first satellite in space was Russia's Sputnik satellite, carried by an R-7 rocket. The R-7 rocket was built by a team of German and Russian scientists led by Sergei Korolev. Sputnik was placed into orbit on October 4, 1957, months before the first U.S. satellite, Explorer 1. Korolev's team managed to create a rocket big enough to take Yuri Gagarin into space. Gagarin became the first man in space, but the U.S. astronaut, Neil Armstrong, became the first man on the moon. Learn more about Space Travel