Simulation tests scaling of Rc
Tao Liang and TW
R
h
Rc
Rp
Triangular lattice of springs
 + bending springs between triangles
F
Vary R, h, pushing force F.
Measure Rc
i)Directly
ii) Inferred from force F
Þ Rc ~ R.6±.1 h.3±.1
É not  R0
unresolved puzzle