Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.
In 1980, toy giant Mattel released Computer Chess, a lower-cost, consumer-friendly portable chess computer with a battery-friendly LCD and no pieces to lose. But it was no slouch in the brains ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results