These digits work the same way that flip-dot displays work ... There are two parts of the clock face left to do: AM/PM and whether the alarm is set or not. [Spencer] used a fifth digit ...

Sure, an alarm clock that syncs with the alarms on your phone would be pretty cool–especially a retro flip clock. But my smartwatch is already going to be on the bedside table every night anyway ...

For anyone who has a difficult time waking up in the morning, especially around Daylight Savings Time, sunrise alarm clocks — ...

But sometimes, an old clock is just perfect as it is, and only needs a bit of an upgrade to help it fit into the modern world. One such example is the lovely 1960s Copal flip clock (in German ...

However, the timer only measures the set time and does not have an alarm function. Flip Clock displays the time with a smooth animation of a flip clock, but the material itself has an aspect ratio ...