Top, a schematic shows the design of the liquid-infused dynamic material. The bottom two photographs show the dry and lubricated elastic substrates. (Source: Wyss Institute for Biologically Inspired Engineering)
This is fascinating stuff and is sure to bring countless number of uses. Having an open-air event and being able to control the air flow is quite handy. A good air flow when its sunny and a resistive material when its raining, and being able to do this any time at will is just magical.