American Institute of Physics

Designing an acoustic diode

Most people know about ultrasound through its role in prenatal imaging: those grainy, grey outlines of junior constructed from reflected sound waves. A new technology called an "acoustic diode," envisioned ...

Nov 01, 2013
4.5 / 5 (24) 0 | with audio podcast

New view of supernova death throes

A powerful, new three-dimensional model provides fresh insight into the turbulent death throes of supernovas, whose final explosions outshine entire galaxies and populate the universe with elements that make ...

Mar 18, 2014
4.7 / 5 (18) 0

Water caged in buckyballs

In a new paper in the Journal of Chemical Physics, a research team in the United Kingdom and the United States describes how water molecules "caged" in fullerene spheres ("buckyballs") are providing a deep ...

May 20, 2014
4.6 / 5 (17) 0

Bright, laser-based lighting devices

As a modern culture, we crave artificial white lights—the brighter the better, and ideally using less energy than ever before. To meet the ever-escalating demand for more lighting in more places and to ...

Sep 27, 2013
4.7 / 5 (16) 2 | with audio podcast

Next-generation semiconductors synthesis

Although silicon semiconductors are nearly universal in modern electronics, devices made from silicon have limitations—including that they cease to function properly at very high temperatures. One promising alternative ...

Nov 08, 2013
4.6 / 5 (16) 0 | with audio podcast