Which scientific product development process took the longest time from initial laboratory discovery to first commercial product?

Test your knowledge about landmark scientific product development processes that revolutionized consumer technology. Major scientific breakthroughs often require years of research and development before becoming commercially viable products. This poll examines the R&D journeys behind some of science's most impactful consumer innovations, highlighting the fascinating intersection of scientific research and product development.

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OLED display technology (from discovery of electroluminescence in organic materials to first commercial OLED display)
Lithium-ion batteries (from concept of lithium intercalation to first commercial battery)
mRNA vaccine technology (from discovery of mRNA to first commercial vaccine)
CRISPR gene editing (from discovery of CRISPR mechanism to first commercial diagnostic test)