American Institute of Physics

New materials for future green tech devices

From your hot car to your warm laptop, every machine and device in your life wastes a lot of energy through the loss of heat. But thermoelectric devices, which convert heat to electricity and vice versa, ...

Jul 15, 2014
5 / 5 (8) 0

A better device to detect ultraviolet light

Researchers in Japan have developed a new photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful enough to break the bonds of DNA and ...

Oct 04, 2013
4.7 / 5 (6) 0 | with audio podcast

Magnetic shielding of ion beam thruster walls

Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. Erosion of the discharge ...

Feb 13, 2013
4.9 / 5 (15) 4 | with audio podcast