Scientists have created a compact spectral singlet lens that turns standard cameras into hyperspectral ones, reducing system ...

Isaac Newton determined this by using a prism that bent light of different wavelengths, or colors, by different amounts, decomposing white light into its composite colors. The result was one of the ...

For millennia, humans had one obvious and reliable source of light – the Sun – and we knew the Sun was essential for our survival.

Rainbows may be a trick of the eye, but they’re also based in fascinating optical physics. Here's how they work and why we ...