Which design innovation revolutionized scientific spectroscopy by replacing fragile glass prisms with etched surfaces, making spectrometers more durable and accessible for field research?

Throughout history, scientific products have undergone remarkable transformations in their design to meet user needs, improve functionality, and incorporate new technologies. This poll tests your knowledge about a significant design shift in scientific equipment that revolutionized laboratory work and made science more accessible. Think about how product design in scientific instruments has evolved to balance precision, usability, and safety.

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Diffraction gratings
Fiber optic light guides
Digital calibration displays
Polarization filters