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.
The Atari 2600 Video Game Console. The Atari 2600 was the very first video game console released by Atari in 1977. It was unique in gaming at the time because the video games it played were available on cartridges, and not already pre-loaded on the system.