Where do you get your (crazy) ideas?

(A post especially for aspiring spec-fic writers.)

"Where do you get your (crazy) ideas?" It's the question that authors -- especially SF authors -- all dread. There is simply no short but useful answer. Our first course of action is to (try to) deflect the questioner with humor.

In 2011, I took a look at the topic in Inspiration. But after a serendipitous sighting (image nearby), the time seemed ripe for a revisit ...

This isn't my photo -- I spotted this road sign (on Virginia Route 28, just n...