Octopuses are the undisputed kings of camouflage. Whereas engineers have learned to mimic the colors, octopuses also match ...
To control color, the team sandwiched the polymer between two gold films. Light bounces off these films and interferes in ...
Polymer gels are three-dimensional cross-linked polymer networks swollen in solvents. They are soft and capable of large deformations, with the network of long polymer molecules holding the solvent in ...