A coulple of things from Australian TV

[Joe Blake]

A way of building concrete walls.

http://www.abc.net.au/newinventors/txt/s1786859.htm

A rotating house.

http://www.abc.net.au/newinventors/txt/s1746703.htm

A different way of applying render to a wall.

http://www.abc.net.au/newinventors/txt/s1725484.htm

A porous concrete.

http://www.abc.net.au/newinventors/txt/s1645544.htm

Building wall panels

http://www.abc.net.au/newinventors/txt/s1635087.htm

Straw bale

http://www.sunnyjohn.com/photos/devices_tools/dt_wards_strawjet/index.htm#bale

Joe