Could used for anything to reduce size just like an ant man suit :3.
Scientists can put all kinds of useful materials in the polymer before they shrink it such as metals, quantum dots and DNA. Pictured is the machine used to shrink objects.
The polyacrylate forms the scaffold over which other materials can be attached.
It is then bathed in a solution that contains molecules of fluorescein, which attach to the scaffold when they are activated by laser light.