Author(s): Ryotaro Honma and Tan Van Vu Fluctuations are intrinsic to microscopic systems and impose fundamental limits on nonequilibrium precision, as captured by the thermodynamic uncertainty relation (TUR), which links current fluctuations to entropy production. While feedback control is expected to further suppress fluctuations, its r… [Phys. Rev. Lett. 137, 160406] Published Fri Oct 16, 2026