@cosmos4u@scicomm.xyz2026-09-25 23:22:52
Differential Polarization Calibration - A Consistency Test for #CosmicBirefringence: https://iopscience.iop.org/article/10.3847/2041-8213/aea401 -> Is the Universe Twisted? A New Check on a Possible Twist in the Universe’s Oldest Light: https://today.ucsd.edu/story/new-check-on-possible-twist-in-the-universes-oldest-light