[TheForge] How to melt steel with sunlight: 2

[peter fels & phoebe palmer]

I brought the solar forge up because historically, vast forests, all 
across the old world,  were felled to make charcoal
for metal smelting and working.
It was an ecological disaster.
OK..the potters helped..but we made the axes.

On 11/26/2010 2:42 PM, Bruce Freeman wrote:
> How to melt steel with sunlight:
>
> http://blog.makezine.com/archive/2010/11/2_square_meters_of_sunlight_focused.html
>