Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution.
ALBERT EINSTEIN
All
adhesion-changing
ceramic
colour-changing
conductive
electricity-generating
energy-exchanging
flexible
fluid
food
light-emitting
matter-exchanging
metal
non-active
opaque
organic
polymer
rigid
semiconductor
shape-changing
soft
sound-creating
textile
translucent
transparent