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Measurement Techniques

AC Magnetometry Spectroscopy Momentum Measurement Laser Spectroscopy Angle-Resolved Photoemission Spectroscopy Data Analysis High-Resolution Spectroscopy Interferometry Current-Dependent Amplitude Differences Resistivity Measurements

NIST Replicates Classic Gravity Test, Reports Lower Value for G

The carefully controlled result adds a new data point without settling the long-running gap between precision measurements.

ANU Team Demonstrates Bell Correlations in Helium Atoms’ Motion

Hydrogen Spectroscopy Finds 0.8406 fm Proton Radius, QED Verified to 13 Decimal Places

Enhanced Dual-Comb Spectroscopy Reveals Previously Unknown Samarium Transitions