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 ...

But that clock performs a valuable function: it reminds one of time. Time that is a constant (no matter how fast or slow you ...

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 ...

We can tell the time without saying AM and PM though - for this, we use the 24 hour clock. The 24 hour clock always uses 4 digits, and we use this system most often with digital clocks.

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 ...

DIGITAL CLOCK: You are strange. NARRATOR: There are 24 hours in a day and analogue time splits it into two halves. The first 12 hours of the day, the morning, are called AM. And the last 12 hours ...