Top Cover Figure: Water metering device designed to encourage water conservation by making water consumption visible on a continuous basis. iSAVE is powered by the energy generated by water passing through a small turnine embedded in the device. Photo credit: Reamon Yu,http://www.beingobject.com/project4-list-english.asp
Bottom Cover Figure: Translucent daylighting systems from Kalwall Corporation. The structural sandwich panels are filled with Nanogel(R), a translucent aerogel that offers both thermal and acoustic insulation with high light transmission. Used in the construction of walls and roofs, the panels can significantly reduce the energy consumed by building lighting, heating, and air conditioning systems. Photo credit: Kalwall Corporation. http://kalwall.com/.