he set his sights on making a completely isolated digital clock that doesn’t rely on external synchronization (well, except to initialize the time at first power-up). The accuracy goal he set ...

Not that the present situation and the abundance of free time that many are experiencing has anything to do with [Leo Fernekes] all-transistor digital clock build, which he started a year ago ...

It follows a report in the Times Educational Supplement of a conference being told that pupils needed a digital clock to be able to tell the time. Malcolm Trobe, of the ASCL head teachers' union ...