Related Clues:

• They may be good, bad or bright
• "The very __!"
• Results of brainstorming
• Cartoon light bulb
• 'You have no ___'
• Creative inspiration
• Future invention
• What a germ may become
• It starts in your head
• Invention's origin
• Think about it
• Brainstorm results, sometimes
• Flash of brilliance, perhaps
• Start of a solution
• Inventor's ''light bulb''