Good grief I'm old: first thought was "Ooh, I wish he was wearing safety gauntlets, he could give his wrists a nasty sear."

(After that I did think "Cool!" though).

Sooooo cool. I want one. I would use it as a solar hot tub heater and roof snow melter.

The Frank Gehry-designed Disney concert ≡ Click to see image ≡apparently singes the lawn across the street. Not on purpose.