If the cross section of metal in the projection is fractured, the heat build up will form more rapidly in the stretched material then at the workpiece interface area. This will result in the projection collapsing before fusion takes place.
  If I remember right... the very first video game was: PONG. It came out in the early to mid-70's, somewhere between 1972-1974. After that came ATARI. I know I'm right ab â¦ out the name (PONG)... the year; not so much.
1 In, 1958, William Higinbotham created the first video game ever. His game, called Tennis for Two, was created and played on a Brookhaven National Laboratory oscilloscope. 2  In 1967, Ralph Baer wrote the first video game played on a television set, a game called Chase..