David Bromstad

I just don't think there are any rules to color. You have a small space with no windows? Put lamps in there, make it dramatic, paint the ceiling black. Do something with it. If it's dark, accentuate the darkness.

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.