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.
The left panel reflects the mirror side of the display with the motorized left hand. The right panel depicts the unseen static left arm (behind the mirror) on which participants exerted either pull/push effort or no effort.
