Physicists with the U.S. Department of Energy have discovered a new phase of matter—and, with apologies to George R. R. Martin, it's something of "a song of ice and fire." The new phase comes in the ...

A supercritical fluid refers to a state in which the temperature and pressure of a substance exceed its critical point, where ...

A new study shows how substrate choice influences phase formation and interfacial stability in superconducting vanadium silicide films, providing design guidelines for improving material quality.

Techniques that exploit the phase of X-rays, not just their absorption, have the potential to transform X-ray imaging in hospitals, reports Jude Dineley Improved imaging Marian Willner from the ...