Related Clues:

• Lightbulb source?
• Birth of a notion
• Noodle product?
• Abstraction
• It might make you say "Aha!"
• Breathe with difficulty
• React in horror
• Invention inception
• The start of an invention
• Reaction of shock
• [I'm shocked!]
• Noodle concoction?
• Suspicion
• Bit of inspiration
• [Horrors!]