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 first game was released on June 23, 1991, to provide Sega with a mascot to rival Nintendo's flagship character Mario (see 1991 in video gaming). Since then, Sonic has become one of the world's best-known video game characters, with his series selling more than 80 million copies.