Author Archives: michael

Newton Diaries

In 1993, Apple released the Newton MessagePad, the first so-called “Personal Digital Assistant”. A kind of forerunner to today’s smart/i phones, the device worked as a kind of virtual notepad, allowing free-form entry of both text and drawing mixed together … Continue reading

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Annotated Interviews

Two annotated interviews with Perttu Rastas, of the Finnish Archive, and Kati, Kurenniemi’s wife and long-time partner. Apologies for the partial / spotty transcriptions.

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time

Linux includes a command called time, which rather than reporting the current time (that’s “date”), is a kind of meta command that can be used to measure the resource usage of the execution of another command. Running the hash index … Continue reading

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Neural code Nature

Erkki wrote many notes using the program Mathematica. In this file, called “Neural code Nature”, Erkki seems to have stored a quotation from an academic paper on Neural Nets.

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An archive is an organic whole

…The preceding section explained how an archive is created due to the work of a college or any officer, how the archive is always the reflection of the functions of that body (organisation) or that official. An archive is not … Continue reading

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Computable Document Format

Many of the documents in the archive (over 5000 files) are in the “.nb” format of the Mathematica program, the flagship software product of Wolfram Research. Kurenniemi was interested in the ideas of Stephen Wolfram. Wolfram, a physicist turned cosmologist, … Continue reading

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Mathematica-Compatible Notebook

(*********************************************************************** Mathematica-Compatible Notebook This notebook can be used on any computer system with Mathematica 4.0, MathReader 4.0, or any compatible application. The data for the notebook starts with the line containing stars above. To get the notebook into a Mathematica-compatible … Continue reading

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Motion vectors

MPEG movies, when compressed, analyze the movement of pixel data and use “motion vectors” to help achieve data compression. Movie players, like mplayer, support showing this data as a “debugging” feature. This blog post discusses the mplayer feature, and here … Continue reading

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Thumbnails by time

We start working on the contents of the folder “kuvia” — Finnish for images — and just one of several folders of images. Of the approximately 17000 images, 12000 have EXIF data (straight from a digital camera). I write a … Continue reading

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EXIF Thumbnails

Working with the pyexiv2 library, discovered that images from digital camera’s typically have an embedded thumbnail image, available via standard metadata (EXIF) that is included within the image itself. Work with thumbnail images generated by the camera is interestesting in … Continue reading

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