Where does black fall on the color spectrum? A color scientist explains
Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its surroundings. Additionally, radiation outside the visible range of wavelengths ...
Rare portraits reveal the humanity of the slaves who revolted on the Amistad
Marqu – or Margru – was one of the three young girls who were aboard the Amistad. In her portrait, she gently smiles – a glint of a personality that’s persevered despite the trauma of the voyage and ...