(Nov 29, 2016 03:53 PM)Carol Wrote: [ -> ]And we laugh at the people who worshiped the sun why? Do you know if you filter out the green or red frequencies of the light that feeds plants they do not grow like healthy plants? All the colors are needed to make plants grow like they should. That totally mystifies me.
I considered this some time ago in regards to researching how to create better tasting fruit/vegetables. Back then at this time of year the supermarkets would be inundated with out of season vegetables and fruit, which was often only possible due to greenhouses. This meant the fruit could well be bitter or have absolutely no taste at all.
I reasoned that adjusting the frequencies of light to match the colour changes of plants (to some extent) was important as depending on their particular colour at a given time derives was radiation they absorb which is part of how photosynthesis changes their chemical makeup.
Thinking about it in such a way allowed the rationalisation of why a strawberry can start green, turn pale then eventually redden (and if left too long brown) the same can be applied to other fruits/vegetables (although root veg are leaf dependent).
I even considered autumn/fall due to the colouration of leaves. Specific light frequencies occur as the earth's position in relationship to the sun causes light to have to travel through more of the atmosphere. Coming in at such a low degree from the horizon increases the amount of atmosphere that has to be penetrated which in turn reduces the types of frequencies readily available. For instance infrared is a short wave formation that doesn't make it through as much at that angle, which is why winters are colder (unless you happen to be in Southern Hemisphere since it's summer)
Infrared is also important during the "red" phase of fruit since it aids in how the sugars are produced. Autumn browns literally aid in tailoring off the last of sun shine to create chemical changes for annuals which means the whether acts as a marker to when a tree should consider reducing it's energy usage and "hibernate" to some extent for it's survival.
Of course changes in out atmosphere through smog, natural events and obviously other man made ones can cause changes in how plants react in our environment and this can cause them to be out of sync with seasonal cycles. While this can be an advantage if some thing bear fruit or veg at a later point in the year, it can also be problematic as some plants won't cycle down when they should and this leaves them prone to eventual season changes that can effect them sharply. (like a frost killing plants that weren't ready for it.)
The same rationality of light and what frequencies you expect at what time of year can also be used when looking at designing room layouts for a house.
For instance In the Northern Hemisphere it makes sense to have the bedroom windows face north, since it's the darker direction (The suns light goes East->South->West during the day) For a decent nights sleep, we require darkness for the most part (Aids in Melanin production) Bathrooms are often next to bedrooms and which means if the bedrooms are set to 11-1 oclock position (facing north) bathrooms occupy the 8-11, 1-3 range. Living rooms are 3-7 Kitchens 3-4, 7-8. (The times are roughly correctly, although an hour this way or that is possible, especially considering daylight savings)
Why place rooms in relationship to a time? Well that's where walls painted particular colours come into consideration. For instance bedrooms should be richly deep and dark colours, after all they are suppose to be dark and support sleep in that sense. Bathrooms are set extremely late evening or extremely early morning, this means they can occasionally have sunrises/sunsets at some times of the year but for the most part they don't have direct sunlight. Eggshell blue and pastels make sense in that situation, Kitchens Morning or Evening (Makes sense for meals etc) so Yellows or Oranges and then of course living rooms which again Yellows/Oranges.
The concept is that as the light position changes so does the frequencies of light output by the sun, so to get the best lighting in the room requires identifying which colours are going to be able to reflect those ranges. (Obviously night time isn't lit so dark paints is just about taste or sleep)