Hack a Day’s very own [Jack Buffington] is throwing his hat into the ring for the Buildlounge laser cutter giveaway with his solar clock that isn’t a sundial. The theory behind [Jack]’s ...
Julien Coyne invented a digital sundial. Sundials usually cast a line or triangle to indicate the hour. This one is designed so that when light passes through, it displays the shapes of numbers.
To display the time he used one of those QDSP-6064 bubble displays, because sundials are retro. His description of the project build includes a lot of fun anecdotes, like him attempting to solder ...
people mainly used sundials. To differentiate, they started saying “of the clock” to specify the time by a clock. So next time you check the time, you’ll know that “o’clock” is a ...
Conventional sundials have straight hour lines indicating the local time, which may be distinct from the standard clock time. VSSC’s polar sundial replaces the straight hour lines with inverted ...