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.
Artistic rendering of the theme of this review. Capped Janus nanospheres can be fabricated, for example, on a supporting substrate and further resuspended in solution. Upon the introduction of a chosen external field or fuel, the nanospheres elicit a directional movement.
