Re: Harvesting the Sun... on the cheap

2005-02-09 Thread Grimer
Very interesting Jones. 8-) As far as the 2nd Law is concerned it's always struck me that to show it's wrong is a no-brainer. All one needs is a chess board and a concept of scale. In the classic case of the steam engine where disorder on the micro-scale is increased, people totally forget

Harvesting the Sun... on the cheap

2005-02-08 Thread Jones Beene
Hindsight is 20/20 as they say. I hope the lab execs at Sandia do not have to find that out the hard way... if it turns out that they dropped funding on a particularly promising project... or if some ploy was involved to keep Sam out of the IP picture. The Sunflower solar-mirror story mentined in

Re: Harvesting the Sun... on the cheap

2005-02-08 Thread Mike Carrell
Jones wrote about collecting sunlight with mirrors and a device that when heated emitted coherent IR light, whihc could be converted to electricity by a PV cell with good efficiency. The caveats: You have to look at the whole system costs and maintenance. Solar concentrators are old stuff, they