Historical evidence reveals that humans possess the remarkable ability to render certain physical appearances invisible if they do not focus on them, including something as fundamental as a color.
Lapis Lazuli was traded along the Silk Road, and Homer would have called it Sapphirus. A stormy sea isn’t blue because it’s not reflecting a blue sky, and it may have roiled-up sand and kelp.
Lapis Lazuli was traded along the Silk Road, and Homer would have called it Sapphirus. A stormy sea isn’t blue because it’s not reflecting a blue sky, and it may have roiled-up sand and kelp.