Nathan Zeldes blogs on everyday product design
The circular slide rule developed around 1920 by Jules Arnault and Louis Paineau comes in a wooden frame, to give it durability and ease of use; but it is so pretty you can – and I did – hang it on your wall!
Aside from being pretty, this is an ingeniously designed and very well-made calculator. You can find all the details in this new article on my History-of–Computing site.
Here is a photo of the Jerusalem central bus station, a large blocky building at the entrance to the city.
So, maybe it’s just me, but whenever I see it I get reminded of a mathematical construct – the Menger Sponge, a three dimensional fractal. Judge for yourself:
OK, OK, the bus station is not a true Menger Sponge, but its structure definitely evokes the essence – the spirit, if you will – of that fractal.
And yes, I am a geek. Lucky me!
