A synthetic material that mimics the qualities of an iridescent opal may have wide-reaching technological applications, its creators say. With the application of an electric current the material can ...

Imagine cleaning out your refrigerator and being able to tell at a glance whether perishable food items have spoiled, because the packaging has changed its color, or being able to tell if your dollar ...

Video: The new material can take on any colour in the spectrum when controlled using a small voltage A new material could give a chameleon a run for its money – it can rapidly change colour to match ...

A video shared to Reddit in early May 2021 appeared to show a piece of what you might call real-life kryptonite — a brightly glowing, green-hued hyalite opal that the original poster of the video ...