Supersonic experiments are forcing physicists to rewrite a rule of thumb that has guided metal design for roughly 70 years, ...

The discovery was achieved by researchers at Vienna University of Technology (TU Wien) in Austria, who worked together with ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot principle, the second law of thermodynamics, was developed for large, ...

For nearly 20 years, scientists have debated the viability of an EmDrive, a hypothetical type of engine that could propel a spacecraft without the need for any fuel. Now, a team of German physicists ...