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 4.4 / 5 (19) 0 | with audio podcast

Seeing in the dark

Thermal infrared (IR) energy is emitted from all things that have a temperature greater than absolute zero. Human eyes, primarily sensitive to shorter wavelength visible light, are unable to detect or differentiate ...

Oct 29, 2013 5 / 5 (8) 0 | with audio podcast

To touch the microcosmos

What if you could reach through a microscope to touch and feel the microscopic structures under the lens? In a breakthrough that may usher in a new era in the exploration of the worlds that are a million ...

Sep 13, 2013 5 / 5 (8) 0 | 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