Which famous scientific product was initially rejected by hospitals and only found success after being marketed to veterinarians before eventually revolutionizing human medical diagnostics?

Test your knowledge about transformative scientific products that changed the world! Behind every groundbreaking scientific tool or technology is an interesting story of innovation, market challenges, and sometimes unexpected applications. This question explores one of the most important scientific instruments that revolutionized how we understand our world.

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• The MRI scanner (Magnetic Resonance Imaging)
• The Electron Microscope
• The PCR (Polymerase Chain Reaction) machine
• The CRISPR-Cas9 gene editing technology kit

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