Researchers have uncovered friction without contact—driven entirely by magnetic interactions. As two magnetic layers slide, ...

Researchers at the University of Konstanz have uncovered a new mechanism of sliding friction: resistance to motion that ...

MODERN students of molecular structure have before them the double objective of the determination of the positions and mobilities of the atoms in a molecule, or, in other words, the equilibrium atomic ...

Dan Lamothe joined The Washington Post in 2014 to cover the U.S. military. He has written about the Armed Forces since 2008, traveling extensively, embedding with five branches of service and covering ...

For the first half of the twentieth century, Sudan was a joint protectorate of Egypt and the United Kingdom, known as the Anglo-Egyptian Condominium. Egypt and the United Kingdom signed a treaty ...