Ah, the pile of pig-poop calling the plate of dog-poop stinky.

Everything anyone needs to know about Greg is implied from the
following, from his very first post here in October, 2005:

My watch may be a few seconds fast, but I'm pretty sure it's 2007. Just
another scam artist in the solar cesspit. Why in heck would you even
bother following a forum devoted to fricking vaporware? The stuff that's
vaporizing does not smell nice...

As I said way back when, only to be proven correct as usual - don't
mention your "solar product"  here if it's not extant and on the
warehouse shelf.

As for anyone bothering to sign a NDA to spread "secrets" around - no
big secrets there to spread, if you have a brain. Just from the BS
pictures on the internet: Fresnel lens. High-concentration solar cell.
Heat sink. Microprocessor and drives to point at sun, or elsewhere
depending what the drive senses in terms of wind-load. Presumably for
reasons of heat dissipation they appeared to have chosen a 9-section
fresnel - you'd get even better cooling with 9 units 1-9th the size, but
you'd need more drives. You could also build any number of units 1/9th
the size and then mount them all on a large tracker, with air-spaces
between them for less wind-loading and better cooling. The rest is left
to be someone's senior project; preferably someone who actually knows
how to start a company to actually build stuff, if the Chinese haven't
already started cranking them out. Good luck running intellectual
property up _that_ flagpole - there's still a big fat red star on top of
it.

Personally, I prefer the fixed receiver fed by heliostats concept, but
I'd probably have bought one of the sunball's a year ago as being
convenient - but dang, they failed to exist. The main pinchpoint for
rolling your own apparently continues to be SpectroLab's stranglehold on
high-concentrating cells.

--
Cats, coffee, chocolate...vices to live by