Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Y-shaped fibers on the formation of 3 hinges: (a) The top row: models with growing fibers; the bottom row: models without growing fibers. (b) Top view of “Y” shape fibers with gradient growth in initial state. (c) Top view of the model after growth and convolution. Growth ratio linearly decreases from the intersection point of hinges lines to the tip of them.
