Alfvén accelerator: artist’s illustration of how Alfvén waves in Earth’s magnetic field can accelerate the electrons responsible for intense auroras. (Courtesy: Austin Montelius/University of Iowa) ...

Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For decades, scientists puzzled over this D' layer. Now, groundbreaking ...

Teflon objects (orange cylinders) were placed in a waveguide with a rectangular cross-section. Then, an electromagnetic signal (blue wavefront) was injected from the right to extract information about ...

The program explores the nature of mechanical waves, questioning how they move and what creates them. It demonstrates wave motion through various experiments, including using a slinky and a wave ...

The acoustic properties of an ultracold fermion gas have been measured either side of the superfluid transition temperature in an experiment that has been described as “near perfect” and “beautiful”.

Scientists at the European Organization for Nuclear Research (CERN)—operators of the world's largest particle physics lab—have conducted a groundbreaking experiment demonstrating a new technique for ...