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.
It is one of the earliest arcade video game released in the year 1972. Created by Allan Alcorn, the 'Pong' video game was released by 'Atari Incorporated'. History of Video Games. The missile defense systems based on cathode ray tube are associated with the origin of video games in the 1940s.