An anonymous reader quotes a report from the Associated Press: The U.S. designated helium as a critical material on Friday because it's indispensable for making semiconductors that are essential to energy generation, and the global supply is at risk of disruption, according to the Energy Department. The designation by the Energy Department means that more federal financing will be available for helium producers and that the government will monitor it more closely. Helium is primarily produced as a byproduct of natural gas processing. The United States is the world's largest producer of natural gas and of helium. Qatar and Russia are the other top helium producers.

[...] Helium makes balloons rise, but that's not why the DOE is interested in it. Helium plays an important role in wind, solar and nuclear energy production, space exploration, medical imaging and research.…