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Building Crash Testing

Here is an interesting posting on Building Crash Testing

More better Solar soon.

Living in Arizona makes Solar power generation semi attractive. The biggest stumbling blocks are price, and efficiency. The lads at Rensselaer Polytechnic Institute have developed and demonstrated a new coating that captures 96% of the solar energy. Up from the 66% on its best day for current solar panels. Plus panels can be fixed rather than requiring stuff to move them to track the sun.

The price is still high, (which makes payback a bitch) and I am still looking at ways to mount them on roofs that will not leak. There are a lot of promises out there, but I remained unconvinced. Keeping them from being blown off is a plus as we do get wind storms with the rain we do get.

Printing Houses

Prefabrication of houses has been going on for a long time. A new wrinkle is

Contour
Crafting
which  is a layered fabrication technology, which is basically a large concrete printer for housing.