Living without UV radiation?
What would happen if I and the next 1,000 generations I witness all lived in basements without UV light? Would we be completely white, or what would happen if we only absorbed vitamins through food?
Store clothes on the shelf?
I'm considering storing my clothes on a shelf in my room. I'm wondering if storing the clothes in a dark closet will affect the colors or fibers in any way. The shelf isn't exposed to direct sunlight, but it's opposite a window that faces a wall. Is this a good idea, or will I ruin…
Oil painting painting medium sunlight?
Hello, I bought new oil mediums (linseed oil, thinner, alkyd medium, etc.) and unfortunately, they were left out in the sun for several hours today (the bottles are unopened, the sun was shining through the window). The current temperature is 31°C, meaning the sun was quite hot. Do I need to buy new oil mediums…
Is it normal for the sun to glare in your eyes when it is very bright outside?
I then grimace because my vision has been obscured.
Why is sunlight white as a mixture of the (all "darker") colors of the rainbow?
If you mix them in the palette, you don't get white either. (Stupid question, admittedly.)
How can I support my area or Germany in the area of nature conservation and environmental protection?
Had points: Agroforestry with 3 metre high rows of green alder trees at a distance of 6 metres. The aim is for the trees to supply the field with nitrogen with their roots underneath and not in the field, and to keep the water in the field so that yields are higher. However, the field…
Sunlight on black paper?
Hello, When sunlight hits black paper, energy is devalued. Explain this statement. Can someone please explain it to me? Best regards Sophie❤️