news story on LED lighting

From: Joe Strout
> This is relevant to those who think that space habitats may be better
> off using artificial light rather than windows or light pipes. Studies
> from decades ago that looked at this issue were based on lighting
> technology of the time, but things have changed quite a lot since then
> (and are still changing).
Interesting article, but I think I'll be convinced on this point when I read that researchers stationed in Antarctica have grown enough food crops with LED lighting to significantly reduce their need to import food.