Joonas KärnäMay 11, 20217 minLight flicker - what is it and why is it a problem?What is light flicker, what health effects does it have and what can we do to mitigate those effects?
Joonas KärnäDec 29, 20201 minWhy use natural paints and plasters?Besides the beautiful, harmonious, and unique looks there are many reasons to use natural paints and plasters instead of synthetic...
Joonas KärnäJun 6, 20207 min5G - is it really worth all the hype?I have been interested in the topic of electromagnetic fields (EMFs) for years. In search for answers and solutions for my declining...
Joonas KärnäApr 25, 20201 minStudies regarding health effects of electromagnetic fields (EMFs)Since 2019 I've been reading and collecting scientific studies regarding different kind of electromagnetic fields and their health...
Joonas KärnäDec 8, 20193 minValaistusValo on kaiken elämän perusta. Kasvit käyttävät valoa fotosynteesiin, jonka sivutuotteena syntyvä happi taas mahdollistaa meidän...