Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

So, is black a color? Each of the colored components in a black ink absorbs a portion of the visible light spectrum wavelengths. If all the visible light has been absorbed by the components in an ink ...

The electromagnetic spectrum is a continuous range of ... of is transparent to visible light and some infrared. Visible light and short wavelength infrared can carry high rates of data.