Humans aren’t supposed to be cooped up indoors all day, but who wants to be bothered by UV rays, insects, allergens, traffic, physical activity, and other people? On the other hand, a gloomy living space generally inhibits productivity — if not making it difficult to find what you’re looking for. So, if you’re looking to illuminate any room in your place, and you have the cash and the patience to wait for its widespread release, CoeLux is a skylight that needs no sky or sun — not that you’ll be able to tell the difference. The Italian developers [CoeLux Srl] are perhaps wisely remaining tight-lipped on how the effect is achieved, but confirm that nanoparticles in the skylight mimic the effect of atmospheric fluctuations, compressing that vast deep blue into a few milimetres while maintaining the perception of infinite depth. Walking inside on a rainy day only to find the sun gleaming down on you would add a reality-bending touch to any space — especially a basement workshop or recreation room; to that end, the designers hope this will facilitate underground ‘earthscraper’ developments. At present, CoeLux has three lighting settings — tropical, mediterranean, and Nordic — but it’...