Chameleon materials -- 001

Chameleon materials -- 001

PSUs

Infrared image of metadevice composed of vanadium dioxide with gold patterned mesh.  (Top) Device without any electric current showing the PSU cut from the pattern and reflective. (Middle) Device with 2.03 amps of current.  The PSU and background now appear the same, the PSU has faded into the background.  (Bottom) Device with 2.20 amps of current. The background is now reflective while the PSU is not.

IMAGE: Douglas Werner / Penn State