Blue
Reply #10 - June 19, 2015, 04:35 AM
They could see the color we identify as blue, in terms of they were able to physically see it, but they didn't identify it as blue, because they had different color words than we do now.
Yea, though I walk through the valley of the shadow of death, I will fear no evil, for I have a sonic screwdriver, a tricorder, and a Type 2 phaser.