Which scientific product launch included a dramatic live demonstration that initially failed, leading the presenter to drink the purified water from a contaminated source to prove its effectiveness?

The race for scientific innovation drives companies to launch groundbreaking products that change our understanding of the world. Behind every major scientific breakthrough is a carefully orchestrated product launch that captures the imagination of both the scientific community and the public. Test your knowledge of how significant scientific discoveries made their debut in the marketplace and changed our world forever.

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LifeStraw personal water filter (2005)
Graphene-based water purification system (2010)
Millipore water filtration membrane (1998)
NASA's solar-powered desalination unit (2012)