Science ❯ Physics

Measurement Techniques

Precision Measurement Stochastic Gravitational-Wave Background Laser Spectroscopy Sample Variance Bias Correction Signal Processing Data Analysis High-Precision Measurements Hubble Constant Time Measurement Signal Analysis Cosmological Measurements Quantum Measurement Hubble's Law

3 ARTICLES

4mo ago

New ‘Stochastic Siren’ Uses Gravitational-Wave Hum to Measure the Hubble Constant

Upper limits from current LVK observations already disfavor very slow cosmic expansion, pushing combined gravitational-wave estimates toward the existing Hubble tension.

8 ARTICLES

7mo ago

MicroBooNE and KATRIN Rule Out Simple Sterile Neutrino Model

3 ARTICLES

8mo ago

Thorium Nuclear Clock Sets 6,000x Gain in Sensitivity for Probing the Fine-Structure Constant

3 ARTICLES

10mo ago

Caltech Chip OPO Delivers Coherent Multi‑Octave Frequency Comb at Femtojoule Energies