Which scientific product launch included a famous public demonstration where the inventor consumed the substance himself to prove its safety to skeptical physicians?

The launch of scientific products has often marked significant turning points in human history. From life-saving medications to revolutionary research equipment, how these innovations were introduced to the world can be as fascinating as the products themselves. This poll tests your knowledge about notable scientific product launches that changed how we understand and interact with the world around us.

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Alexander Fleming's introduction of penicillin in 1928
Humphry Davy's presentation of nitrous oxide (laughing gas) as an anesthetic in 1800
Marie Curie's radium-based luminescent products in 1903
Jonas Salk's polio vaccine announcement in 1955