Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Moreover, the technique can obtain images outside the visible spectrum and even through tissues. The Kobe University development thus opens the door ... For centuries, lenses have worked the same ...

The researchers evaluated their miniaturized optical spectrometer in a series of tests and found that it achieved remarkable results, operating across the entire visible spectrum regime (~400 ...

Swiss scientists have developed an ultra-thin lens that turns infrared light into visible light using lithium niobate and nanoscale patterns.

A pair of European satellites have created the first artificial solar eclipses through precise and fancy formation flying.