Figure 6.
(a) 3D acrylic frame structure, (b) experimental setup, and (c) photo of the entire structure.
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.