text:   CMB and gravitational lensing",4,"['Detecting the CMB polarization B-modes from primordial gravitational waves would revolutionize our understanding of inflation. But this signal is highly obscured by gravitational lensing distortion. Our new paper shows how this can be cleaned optimally.\n\n<LINK> <LINK>', 'The method is fully Bayesian and so can take the data and reconstruct all of the available information about the projected mass causing the gravitational lensing, the primordial signal, and parameters controlling the statistics of these fields.', 'In practice our code samples the ~million dimensional parameter space, which we can do efficiently thanks to #JuliaLang, GPUs, Hamiltonian Monte Carlo, and some important tricks we discuss in the paper. The software package is ready for anyone to run:\n\nhttps://t.co/N2QVNJcp47', 'Excited to have this work with @EthanAnderes and @bwandelt out so we can build towards using this for current and future CMB experiments.']",20,02,909