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 ...

A red object looks red because it reflects the red wavelength of light, and the same is true for all other colors. There is no such thing as “black light wavelength,” so why do black T-shirts, black ...

Also, black can absorb heat, so it will keep me warm when I feel cold. Rhea Saxena, 16, King George V School: If I could only wear one colour for the rest of time, my colour of choice would be black.