IT was about eighty years ago that Foucault carried out his ingenious experiments with the gyroscope ... and this was followed by the Sperry and Brown compasses. H.M.S. Invincible was navigated ...

Here’s a blast from the past as we reprint our news from NYC’s 1961 IRE show—the first integrated logic circuits in TO-5 and ...

[Curious Marc] has an Apollo-era gyroscope but isn’t quite ready to put it through this paces without some practice. So he borrowed a 1949 vintage Sperry C5 gyro and did some experiments with it ...