Which scientific product development started as a failed experiment for heart medication but was later repurposed into a blockbuster consumer product?

Test your knowledge about pivotal moments in scientific product development! The path from laboratory discovery to consumer product often involves fascinating twists and unexpected applications. This poll explores how scientific breakthroughs transformed into revolutionary products that changed our lives. Can you identify the correct development timeline for these groundbreaking innovations?

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Post-it Notes (originally a failed super-strong adhesive)
Viagra (originally tested for angina and hypertension)
Teflon (originally a failed refrigerant)
Bubble Wrap (originally marketed as textured wallpaper)