In the equation a=tF² (to find the art, you multiply the time by the square of the force), time plays a very important part: "time is what keeps everything from happening at once" (Ray Cummings).
↝ my new old electromechanical flip clock controller, a gift from a friend ♡
ALT white background; electromechanical flip clock (mechanism, black plates, white numbers 23:59)
ALT white background; brown-yellow electronic control panel with black cables and white connector