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 last prototype built in 1968 (also known as Brown Box) played Ball & Paddle games, Target Shooting games, and more. After several demonstrations to TV manufacturers, Magnavox signed an agreement in 1971 and the first video game system was released in May 1972: Odyssey.