The latest is an entire digital clock implemented in life. StackExchange user [dim] created this simulation in response to a challenge from [Joe Z].

Script will be debuting in three Lexon clocks this month: a wall clock, an alarm clock, and the ubiquitous digital watch.

Sand has been used to keep track of the passage of time since antiquity. But using sand to make a persistence of vision digital clock (English translation) is something altogether new. And it&#8217… ...