A new material is like a roach motel for radiation: Cesium checks in, but it can’t check out.
CESIUM CATCHER Molecules of a new material can trap radioactive cesium (cesium atoms shown green). Made of sulfur (yellow), gallium (blue) and antimony (red), the material swaps an ammonium ion for large cesium ions and then closes in around the cesium ions.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
