“Without a doubt, this is one of the best and simplest inventions I’ve seen in a long time: A long strip of calendar days, made with a material that sucks ink to tint one complete number each day…
…The ink colors are based on a spectrum, which relate to a “color temperature scale”, each month having a color related to our perception of the weather on that month. The colors range from dark blue in December to three shades of green in spring or orange and red in the summer.”
(via Gizmodo)
