scanning electrometer

a scan with the scanner upside down.

At the moment I am working to improve a rather elementary sensor for electrostatic fields, in an attempt to use it to make images. Since […]

Bachelard on measuring


Reading the second chapter of Hans-Jörg Rheinberger‘s ‘Epistemologie des Konkreten’ triggered me to start reading Gaston Bachelards writings on the philosophy of science and epistemology. […]

virtuousness of technology

Temperantia with a clock, bridle, spectacles and windmill as attributes (1450), Bodleian Library MS Laud 570, fol 16r.

Recently I’ve been reading Langdon Winner’s wise “The Whale and the Reactor” and David Noble’s great “The Religion of Technology“, books that I can not […]

machines and looms of nature

Scheme XIV - On the surfaces of Rosemary, and other leaves (from "Micrographia" by Robert Hooke - 1665).

great quote from the preface of the ‘Micrographia’ by Robert Hooke (1665): “For the Members of the Assembly having before their eys so many fatal […]

the analog art

EAI analog computer installation at the Deutsches Zentrum für Luft- und Raumfahrt.

analog computing Analog computers have intrigued me ever since I saw one for the first time and had no clue how to operate it, despite […]

sea mirror of circle measurements


Borgesian poetry found on page 290 of George Gheverghese Joseph’s book “The Crest of the Peacock, The Non-European Roots of Mathematics”, in the section on […]

xy recording


  As an unexpected side-track of my current interest in analog computing, I found myself today making analog ‘programs’ to be drawn on a XY-recorder […]