Avik Ghosh wrote a Viewpoint, "Spin Control with a Topological Semimetal", for Physics, an American Physical Society site that provides daily on-line news and commentary about papers from the APS journal collection.  According to Physics, Viewpoints are "Commentaries on papers written by prominent experts in their field. Written by an active researcher for an audience with a college-level background in physics."
 
For Avik's Viewpoint, see:
 
https://physics.aps.org/articles/v13/38