[h0l0cube]

I had a room in an apartment that had no sunlight, and was lusting after CoeLux after it launched. Almost goes without saying, but the first to manufacture an affordable solution at scale would make a ludicrous amount of money, especially with much of the world in lockdown.

Low dose UV light would also be a good addition.

[nitrogen]

Low dose UV light would also be a good addition.

I'd also like a bit of optional IR so you get a tiny bit of that toasty sun feeling if you want it.

[konjin]

If you use a parabolic reflector and can prescatter the light it's as easy as adding another light source.