Which laboratory innovation, introduced in the 1980s, revolutionized DNA research by automating the previously labor-intensive process of DNA amplification?

The modern scientific laboratory has evolved dramatically over the decades, with certain innovative products transforming how research is conducted. From equipment that automated tedious processes to technologies that enabled entirely new fields of study, these breakthroughs have accelerated scientific discovery worldwide. Test your knowledge about these game-changing science products that revolutionized laboratory work!

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Polymerase Chain Reaction (PCR) Machine
High-Performance Liquid Chromatography (HPLC)
Scanning Electron Microscope (SEM)
Nuclear Magnetic Resonance (NMR) Spectrometer