Materials exposed to a high-radiation environment such as the inside of a nuclear reactor vessel can gradually degrade and weaken. But to determine exactly how much damage these materials suffer generally requires removing ...
Condensed Matter
Dec 13, 2016
0
382
A team of mechanical engineers at the University of California San Diego has successfully used acoustic waves to move fluids through small channels at the nanoscale. The breakthrough is a first step toward the manufacturing ...
General Physics
Nov 14, 2016
0
904
Controlling the flow of heat through semiconductor materials is an important challenge in developing smaller and faster computer chips, high-performance solar panels, and better lasers and biomedical devices.
Nanophysics
Nov 10, 2016
0
3363
Ultrasound is more than sound. Obstetricians use it to peer inside a woman's uterus and observe a growing baby. Surgeons use powerful beams of ultrasound to destroy cancer cells. Researchers fire ultrasound into materials ...
General Physics
Oct 25, 2016
0
33
Sound can now be structured in three dimensions. Researchers from the Max Planck Institute for Intelligent Systems and the University of Stuttgart have found a way of generating acoustic holograms, which could improve ultrasound ...
General Physics
Sep 22, 2016
0
308
Structural health monitoring systems traditionally use piezoelectric transducers—a device which converts pressure to electric voltage. These transducers normally have excellent reliability except in cases of corrosive environments ...
Optics & Photonics
Sep 16, 2016
0
24
Researchers of Aalto University have made a breakthrough in controlling the motion of multiple objects on a vibrating plate with a single acoustic source. By playing carefully constructed melodies, the scientists can simultaneously ...
General Physics
Sep 9, 2016
1
630
The ubiquity of smartphones and their sophisticated gadgetry make them an ideal tool to steal sensitive data from 3-D printers.
Security
Sep 7, 2016
0
12
EPFL scientists have invented a new type of "acoustic prism" that can split a sound into its constituent frequencies. Their acoustic prism has applications in sound detection.
General Physics
Aug 8, 2016
1
163
Yale physicists have created something similar to a Moebius strip of moving energy between two vibrating objects, opening the door to novel forms of control over waves in acoustics, laser optics, and quantum mechanics.
General Physics
Jul 25, 2016
0
39
