Lasers are a significant historical invention with ubiquitous impact in society. The concept also has interdisciplinary applications as phonon lasers and atom lasers. A laser in one physical domain can be pumped by energy ...
A team from the McKelvey School of Engineering at Washington University in St. Louis and Massachusetts Institute of Technology has created an acoustic microfluidic method that offers new opportunities to conduct experiments ...
Cell & Microbiology
Jun 12, 2023
0
78
The submarine volcano eruption of Hunga Tonga-Hunga Ha'apai that occurred on January 15, 2022, generated impulsive downward reaction forces on Earth, radiating seismic waves throughout the planet. Geologists analyzed the ...
A new study demonstrates for the first time that the same undersea fiber optic cables used for internet and cable television can be repurposed to tune in to marine life at unprecedented scales, potentially transforming critical ...
Plants & Animals
Jul 19, 2022
0
1099
New research suggests that it is the local ocean environment and population demographics, and not genetics, that best explains the different lengths and pitches of signature whistles—the unique identifying call akin to ...
Plants & Animals
May 26, 2022
0
263
Researchers have detected the rolling movement of a nano-acoustic wave predicted by the famous physicist and Nobel prize winner Lord Rayleigh in 1885. This phenomenon can find applications in acoustic quantum technologies ...
General Physics
Jul 29, 2021
0
3270
Mechanical engineers at Duke University have devised a method for spinning individual droplets of liquid to concentrate and separate nanoparticles for biomedical purposes. The technique is much more efficient than traditional ...
Soft Matter
Dec 18, 2020
0
769
Impedance matching is a concept that can maximize energy transmission from a source through a media, and is established across electrical, acoustic and optical engineering. It is frequently necessary to match a load impedance ...
Mechanical engineers at Duke University have demonstrated a set of prototypes for manipulating particles and cells in a Petri dish using sound waves. The devices, known in the scientific community as "acoustic tweezers," ...
General Physics
Sep 9, 2020
0
708
Anyone who's ever played the drums, tuned a guitar, or even made a wine glass "sing" by circling a finger along its edge knows about resonance. Acoustic resonators, like the cavity of a drum or a half-full wine glass, naturally ...
Optics & Photonics
Nov 18, 2019
0
230
