IBM's second successful commercial computer (the first was the 650 ... There was no display screen. In 1960, IBM introduced the larger 1410 with 80KB of memory, which also ran 1401 programs.

[Oli] owns a 40-year-old IBM PC 5150 as well as the matching IBM 5151 monitor, so it was a simple matter to implement the effect in 8088 assembler to create falling sequences of characters.

These will allow it to "monitor ... such as ink dots or tiny computers smaller than a grain of salt -- will be embedded in everyday objects and devices," says IBM head of research Arvind Krishna.

The IBM PC is released in August ... and has a built-in 9-inch B/W screen.