Derived from silica photonic crystals, inverse opal microspheres have a regularly connected porous structure and inherit structural color properties. Combined with the stable scaffold and the ...

Cataracts—a condition that causes clouding of the eye's lens and deteriorating vision—will affect nearly everyone who lives long enough. Now Johns Hopkins scientists have pioneered a new ...

Researchers in Taiwan have developed a stretchable, self-healing gel that changes color when pulled or heated. It combines strength and built-in sensors in a single material that could have ...