LED skylight
-

Background: Skylights (or light pipes) are a great way to get natural sunlight indoors. Unfortunately, installation is moderately complicated and is infeasible for renters and high-rise dwellers. Also, skylights only provide light during the daytime (unsurprisingly). Proposal: Thanks to LED lighting, it is possible to create a convincing “artificial skylight” (Figure 1) for 50 American…
