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.
Most liquid chemical rockets use two separate propellants: a fuel and an oxidizer. Typical fuels include kerosene, alcohol, hydrazine and its derivatives, and liquid hydrogen. Many others have been tested and used. Oxidizers include nitric acid, nitrogen tetroxide, liquid oxygen, and liquid fluorine.