The objects and colours we can see are created by light shining on them and different colours being reflected back and into our eyes. This T-shirt is white because all the colours of light reflect ...

When the sun is shining, it gives off light. We see this as a white light, but in fact it’s made up of many different colours. Those colours are red, orange, yellow, green, blue, indigo and ...

30.3 x 90 cm. (11.9 x 35.4 in.) ...

This collision causes the atoms to release energy, emitting light at various wavelengths and creating a stunning display of ...