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Close up of artist’s rendition of a handheld spectrometer ©  whitestorm -chronicles-stock.adobe.com

Spectrometers that once filled an entire lab bench now fit in a coat pocket, and they are quietly reshaping how fentanyl gets identified on a roadside, how counterfeit cashmere gets caught on a loading dock, and how a five-hundred-year-old painting gets authenticated without ever leaving the wall. This review tracks five years of coverage from Spectroscopy alongside the broader literature to show how handheld Raman, FT-IR, NIR, and XRF instruments moved from laboratory novelty to field necessity.

United States White House with Waving American Flag ©  Bijac -chronicles-stock.adobe.com

A rule proposed by the White House Office of Management and Budget (OMB) would give political appointees final authority over discretionary grant decisions ahead of peer reviewers, allow agencies to terminate active grants without a formal right of appeal, and restrict international collaboration and publication funding across federal science agencies. For the optical, molecular, vibrational, and atomic spectroscopy community, the proposal could affect the grants, journal support, and student and postdoctoral positions that sustain the field.

Black background of the chemical elements of the periodic table, atomic number, atomic weight, name and symbol of the element | Image Credit: © Ipajoel - stock.adobe.com.

A recent study showcased an auto-focusing laser-induced breakdown spectroscopy (LIBS) imaging system that uses a motor-driven focusing mirror to track surface height changes in real time, cutting signal variability on irregular surfaces and improving spectral stability more than eightfold compared to conventional static systems.