July 2, 2021 updates Posted on July 2, 2021 by Doug Loss Quadruplex World https://link.springer.com/article/10.1007/s11084-021-09611-6 Beam propagation simulation of phased laser arrays with atmospheric perturbations https://arxiv.org/abs/2107.00568 KMT-2018-BLG-1743: Planetary Microlensing Event Occurring on Two Source Stars https://arxiv.org/abs/2107.00155