To reproduce a 3d image, the researchers bathe the metal-sheathed material in ordinary white light, which contains all wavelengths of visible light (including red, blue, and green).

Sheathed in an elegant metal mesh, these showcase cabinets stand out within the historic architectural surroundings to present the fashion pieces in a striking new light.

Electrical wire is sheathed in metal fire-retard tube, to prevent ignition caused by fire in battery test.