Solar Death Ray– Where dorkiness and appetite for destruction meet.
And I, of course, immediately thought that this is something I should build (but won’t). Speaking of dorkiness, I recently saw a MythBusters episode in which they tested something like this. They were attempting to prove (or disprove) the legend of Archimede’s heliostat in which he apparently used to destroy the attacking Roman fleet. On the show, the myth was busted, but the above link obviously tells a different tale.
Just as in overcoming erectile dysfunction, focus is the key.