The battery terminals are represented as electron-source and electron-sink in the user interface of the models. The function of this variable is to stop the model once a certain number of electrons reach the battery positive, and a monitor displays the time taken to fill the electron-sink.
Australia faced the threat of communism after WWII ended in 1945. The threat was known as the Red Menace which was caused by all the conflicts in Asia and also things that were going on in Australia at the time. The Australian government responded to the Red Menace in many ways.
Also, the Soviet Union adhered to an ideology of global communist revolution and the destruction of capitalist regimes such as the United States. In February 1946, Truman decided that the Soviet Union sought to expand its power and therefore posed a threat to the United States. Stalin delivered a public address in which he brought back a form of communist rhetoric that had been suppressed during the war.