https://www.profitableratecpm.com/f4ffsdxe?key=39b1ebce72f3758345b2155c98e6709c
Proceedings of the National Academy of Sciences, Volume 122, Issue 28, July 2025. <br/>SignificanceThe locomotion of animals and robots often requires generating frictional forces against the ground through controllable foot–ground contacts, called active contacts. Robotics and biology experiments have demonstrated a peculiar phenomenon: …
