![Marcos Santini [left], a student at the Puerto Rico Photonics Institute, works on optical dimensional metrology instruments with PRPI's lab technician, Francisco Rivera.](https://spectrum.ieee.org/media-library/marcos-santini-left-a-student-at-the-puerto-rico-photonics-institute-works-on-optical-dimensional-metrology-instruments-with.jpg?id=25586684&width=1200&height=721)
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