[kinoxi]

Sharp Corporation showed off its new system for focusing sunlight with a fresnel lens

Sounds interesting.

[69ConvertibleFirebird]

new system for focusing sunlight with a fresnel lens

You should see the tiny little ants go up in flames when I do this to them... Ouch!!!

[Senormechanico]

I don't know if this is real or not, but a lot of buzz has been happening in the marine message boards about it.
On a boat, it's not about $ per square foot, it's all about power per square foot.

http://dbksolar.com/JIL-3000.htm

[r9etb]

Sharp Corporation showed off its new system for focusing sunlight with a fresnel lens

Sharp shows off its flat lens? Cognitive dissonance....

[Alex Murphy]

Sharp Corporation showed off its new system for focusing sunlight with a fresnel lens

Fresnel lenses are the death rays of the magnifying glass world. My high school A/V supervisor once gave me one off an old overhead projector. It doesn't just burn ants, it makes them explode in flames! A fresnel lens can cut through an anthill like a "laser"...