so i startet on kbin.social and lemmy.world, but kbin became shitty and overrun with bots. than i switched to kbin.run and now it seems to be down. No idea what actually happened there. Don’t think i will start a new kbin/mbin account for now. i think i will just stay on lemmy.world for now and not have an alternative instance as backup

They explain that in the article. Light barely gets absorbed in water, which is why you can see several meters deep in water. Only the absorbed part can turn into heat.

They measured an effect that partly evaporates water more efficiently than the heat influx can. The theory mentioned in the article is, that light directly knocks out water molecules at the water/air surface boundary. The measured effect was the most effective with light of a green wavelength