Figure 1.
(Left) Vintage synoptophore (circa 1940s). (Right, top) Fusion slides, one viewed by each eye in the synoptophore. (Right, bottom) VIVE Pro Eye VR HMD.
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.