An official website of the United States government
Here’s how you know
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.
When you pick up one pencil from a pile on a table, how does your hand know where to go or what to grab? Your eyes help out. For robots to do the same, they