Adhesives based on gecko skin can hold huge weights – without sticking to anything.
References:
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Hajj-Ahmad, A., Suresh, S. A., and Cutkosky, M. R. (June 6, 2021). “Cutting to the Point: Directly Machined Metal Molds for Directional Gecko-Inspired Adhesives.“ ASME. J. Micro Nano-Manuf. –
Kerst, Capella F., “Gecko inspired adhesives : permanent practical manufacturing, new materials, and applications,“ PhD Thesis, Stanford University, December 2020. –
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Glick, P., Suresh, S.A., Ruffatto III, D., Cutkosky, M.R., Tolley, M.T., and Parness, A. “A soft robotic gripper with gecko-inspired adhesive.“ Robotics and Automation Letters. 2018. –
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