Experimenting with the burn time of candles in relation to length, weight and density/thickness of wick
These wax stains as concrete visualization of a duration of time. Though we constantly measure it, and feel short of it, it’s hard for us to really grasp time.
Perhaps these clocks keep track of a particular activity (e.g. all the conversations I have with someone). So that the accumulation of wax shows all the time I’ve spent on something, with my attention focused. Instead of distracted, scattered, which is how a lot of us usually experience modern time.