Which product design innovation from the 1970s revolutionized DNA research by allowing scientists to amplify specific DNA segments millions of times in just hours?

Product design in scientific equipment has dramatically evolved over the decades, transforming how researchers conduct experiments and gather data. From simple glass beakers to sophisticated automated systems, the thoughtful design of scientific tools has accelerated discoveries and innovations across all scientific disciplines. This poll tests your knowledge about a groundbreaking laboratory product design that changed scientific research forever.

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Polymerase Chain Reaction (PCR) machine
Electron Microscope
Spectrophotometer
Gas Chromatograph