Design analysis of the K2-W Vacuum Tube Op Amp’s design and operation reveals the mad science that created a commercial revolution in 1950s and 1960s analog computing. Op amps played a critical role ...

The world's first analog computer is more than 2,000 years old. 'This is a mistake, President': Bill Ackman responds to Trump's call for a one-year 10% cap on credit card interest US carries out ...

Anyone who knows anything about the first games ever made won’t be surprised to hear that Tennis for Two is a supremely simple game. It was invented by American physicist William Higinbotham in 1958, ...