The light of the 21st century...
It was a long time coming and still needed fundamental inventions - the LED.

Here and now it is about light as a qualitative fluid that often accompanies us for many hours a day.
We have long since become accustomed to the fact that our living areas are flooded with artificially generated light. Artificial light has made us freer and more independent.
But what do we know about the quality and effect of light?