Amazing building façades covered with thousands of discs or panels that move in the wind, creating a surface that appears to ripple.
Explanation at BLDBLOG -- an astonishing, ambitious plan to build a 6000km wall of solidified sand by "infecting" it with bacillus pasteurii.
I am naturally afraid of any technical document which is both long enough to be "volume" and incomplete enough to be only "volume one", but this is worth reading.