Which famous product was discovered in 1928 when Alexander Fleming noticed that mold contamination in his petri dishes had created a bacteria-free zone?

Many of history's most revolutionary products weren't the result of careful planning but happy accidents! Scientists and inventors often discovered groundbreaking products while searching for something completely different. This poll tests your knowledge about the surprising origins of everyday items that transformed industries and changed our lives. Can you identify which accidental discovery led to which world-changing product?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Penicillin
Microwave oven
Post-it Notes
Saccharin artificial sweetener