April 12, 2023 updates Posted on April 12, 2023April 14, 2023 by Doug Loss RAPOC: The Rosseland and Planck opacity converter https://link.springer.com/article/10.1007/s10686-022-09869-2 Roadmap for optical tweezers https://iopscience.iop.org/article/10.1088/2515-7647/acb57b Detection of rubidium and samarium in the atmosphere of the ultra-hot Jupiter MASCARA-4b https://arxiv.org/abs/2304.04948 Identifying regions of minimal back-scattering by a relativistically-moving sphere https://arxiv.org/abs/2304.05319