A Big Spring in One’s Step Makes One Faster

An almost-Nakamatsian invention would let human runners run much faster, explains a new study: “How to run 50% faster without external energy,” Amanda Sutrisno and David J. Braun, Science Advances, vol. 6, no. 13, March 25, 2020, eaay1950. The authors, at Vanderbilt University, report: “Humans have attempted to surpass their natural running capability using springs […]