First, some definitions: UV-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")

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

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