[Rockhounds] Inca Indians Used Solar Power To Cut Rocks

[Gary Brown]

But it CAN be done!  Here's a chap that made a "killer" unit with an old
satellite dish:

http://www.cockeyed.com/incredible/solardish/dish01.shtml

GcB 

> -----Original Message-----
> From: rockhounds-bounces at lists.drizzle.com 
> [mailto:rockhounds-bounces at lists.drizzle.com] On Behalf Of Drew
> Sent: Thursday, November 08, 2007 11:02 AM
> To: Rockhounds at drizzle.com: A mailing list for rock and gem collectors
> Subject: Re: [Rockhounds] Inca Indians Used Solar Power To Cut Rocks
> 
> On 11/8/07, pmodreski at aol.com <pmodreski at aol.com> wrote:
> >
> >
> > Yes, I was going to write back about this too.? I remember 
> seeing this 
> > on Nova also.? I think it is really really really unlikely that the 
> > Incas could have done this.? As I wrote to a friend about this just 
> > now, "if it was that easy, they'd all be doing it".
> >
> >
> >
> > I do know there are stories about the Greeks (Archimedes??) using 
> > light from a row of polished?metal mirrors?as a weapon, to 
> set enemy 
> > ships on fire; I haven't checked to see how far this is 
> toward fact and not legend.
> >
> > Pete