Posts

Copying with rsync

February 17, 2020 • 3 min read • Technology

Copying with rsync

Why you should use rsync instead of cp when you copy large amounts of data over a less than perfect connection.
Lymphatics and the eye

February 12, 2020 • 2 min read • Finland

Lymphatics and the eye

Our shared review about the eye lymphatics has been accepted for publication by Duodecim.
HSL indirectly increases ticket prices

January 16, 2020 • 2 min read • Finland

HSL indirectly increases ticket prices

According to the news, the most popular point of sale for HSL tickets (the R-kioski chain) will start to take a commission for loading travel cards.
Suojaus UV-valolta

December 12, 2019 • 3 min read • Science

Suojaus UV-valolta

UV valot luokittellan seuravasti UV-C (100 / 200-280 / 290 nm, lyhytaalto, kova UV)UV-B (290-315 nm, keskiaalto, keskimääräinen UV)UV-A (315-400 nm, pitkäaallon UV, pehmeä UV, "musta valo")Erityisesti UVC:n suhteen käytetään usein erilaisia ​​aallonpituusrajoja eri UV-tyyppien välisten rajojen määrittelemiseen.
Free digital signing of documents under Linux - an impossibility?

December 1, 2019 • 5 min read • Technology

Free digital signing of documents under Linux - an impossibility?

The whole story started when I tried to sign a LibreOffice document.
Bullying from the top

November 22, 2019 • 1 min read • Finland

Bullying from the top

Some numbers from the Nature 2019 graduate survey (https://www.nature.com/articles/d41586-019-03535-y ) are discomforting.
PXE-booting from Netgate Pfsense SG-3100

November 15, 2019 • 3 min read • Technology

PXE-booting from Netgate Pfsense SG-3100

To install Linux without the need of a CD/DVD/USB-stick, I now use PXE-booting ("pixie"-booting) on our local home network.
Protection from UV light

November 15, 2019 • 4 min read • UV

Protection from UV light

First, some definitionsUV-C (100/200-280/290nm, short-wave, hard UV)UV-B (290-315nm, medium-wave, intermediate UV)UV-A (315-400nm, long-wave UV, soft UV, "black light")Especially for UV-C, different wave-lengths cut-offs are occasionally used to define the borders between the different UV types.
University of Helsinki loses court battle about lawfulness of 2015 mass layoff procedures

October 16, 2019 • 2 min read • Finland

University of Helsinki loses court battle about lawfulness of 2015 mass layoff procedures

In 2015, the University of Helsinki sacked around 370 of its employees (and did not prolong temporary contracts of perhaps as many).
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Biochemistry/Molecular biology researcher and teacher