The people who came up with these design ideas are the brave ones. Combining raw genius and engineering know how is truly remarkable how far mankind has ventured.The flame weeder makes sense. You avoid polluting ground water and the general environment in a manner far better than herbicides and the burned weeds return nutrients to the soil.I'd like to see how one of these "super light" brick houses with "mystery adhesive" stands up to a tornado. Personally, I'll stick with the old fashioned brick and mortar built by people for my family's safety.