Figure 1. Innovative MR-compatible high density material barium sulfate.
Barium sulfate (BaSO4) of mass 1 kg placed within a sealed freezer bag (shown next to a computer mouse for context).
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.