Figure 2.
Functionality of QR codes exemplified by their use on a conference poster to access linked content. The pictured QR code can be used to access a linked animation (see text for details).
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.