Fly motion vision maximizes signal energy transfer between mechanical input and sensor output. - J. Sean Humbert; Holger G. Krapp; James D. Baeder; Camli Badrya; Inés L. Dawson; Jiaqi V. Huang; Andrew Hyslop; Yong Su Jung; Alix Leroy; Cosima Lutkus; Beth Mortimer; Indira Nagesh; et al. (Sci. Robotics, 2026)