News tagged with wave mechanics

Paper stirs up controversy over the nature of the quantum wave function

(Phys.org) -- Back in November, a paper posted to a preprint server arXiv by three British physicists prompted some heated debate regarding the nature of the quantum wave function, a probability function that p ...

Physics / Quantum Physics

created May 09, 2012 | popularity 4.3 / 5 (23) | comments 131 | with audio podcast weblog

Does the quantum wave function represent reality?

(Phys.org) -- At the heart of quantum mechanics lies the wave function, a probability function used by physicists to understand the nanoscale world. Using the wave function, physicists can calculate a system's ...

Physics / Quantum Physics

created Apr 25, 2012 | popularity 4.7 / 5 (38) | comments 136 | with audio podcast feature

Inspired by insects: For treatment of vocal fold disorders, researchers look to insect protein

A one-inch long grasshopper can leap a distance of about 20 inches. Cicadas can produce sound at about the same frequency as radio waves. Fleas measuring only millimeters can jump an astonishing 100 times ...

Biology / Other

created Apr 25, 2012 | popularity not rated yet | comments 0

Mechanical motion rectifier leads to better energy harvesting

(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...

Technology / Engineering

created Apr 25, 2012 | popularity 4.9 / 5 (9) | comments 26 | with audio podcast report

Listening to the radio even with an electric drive

To enable radio reception in electric vehicles, manufacturers must install filters and insulate cables, since electrical signals will otherwise interfere with music and speech transmissions. Now, using new ...

Technology / Engineering

created Apr 02, 2012 | popularity 5 / 5 (1) | comments 1

Quantum microphone captures extremely weak sound

(PhysOrg.com) -- Scientists from Chalmers have demonstrated a new kind of detector for sound at the level of quietness of quantum mechanics. The result offers prospects of a new class of quantum hybrid circuits ...

Physics / Quantum Physics

created Feb 06, 2012 | popularity 5 / 5 (1) | comments 2

Rice lab mimics Jupiter's Trojan asteroids inside a single atom

Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single ...

Physics / Quantum Physics

created Jan 24, 2012 | popularity 4.5 / 5 (13) | comments 6 | with audio podcast

A new 'lens' for looking at quantum behavior

(PhysOrg.com) -- In a paper published in Physical Review Letters, researchers Daniel Terno (Macquarie University, Australia) and Radu Ionicioiu (Institute of Quantum Computing, Canada) provide a new perspe ...

Physics / Quantum Physics

created Dec 14, 2011 | popularity 4.2 / 5 (6) | comments 6 | with audio podcast

Seeing sound: Team develops noninvasive method to visualise sound propagation

High-performance loudspeaker manufacturers have been able to improve sound quality dramatically over the years, but still face the issue of dead spots.

Physics / General Physics

created Nov 08, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Physicist detects movement of macromolecules engineered into our food

Toxin proteins are genetically engineered into our food because they kill insects by perforating body cell walls, and Professor Rikard Blunck of the University of Montreal's Group for the study of membrane proteins (GEPROM) ...

Chemistry / Analytical Chemistry

created Sep 12, 2011 | popularity 4.3 / 5 (3) | comments 0

Portable ultrasound now available for horses

Healing for horses has gone portable.

Biology / Other

created Jun 02, 2011 | popularity not rated yet | comments 0

Primordial weirdness: Did the early universe have 1 dimension?

(PhysOrg.com) -- Did the early universe have just one spatial dimension? That's the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and colleagues proposed in 2010.

Physics / General Physics

created Apr 20, 2011 | popularity 4.3 / 5 (37) | comments 200 | with audio podcast

How long does a tuning fork ring? 'Quantum-mechanics' solve a very classical problem

Austrian and German researchers at the University of Vienna and Technische Universitaet Muenchen have solved a long-standing problem in the design of mechanical resonators: the numerical prediction of the ...

Physics / Quantum Physics

created Mar 08, 2011 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

Cell-phone use not related to increased brain cancer risk in new study

Radio frequency exposure from cell phone use does not appear to increase the risk of developing brain cancers by any significant amount, a study by University of Manchester scientists suggests.

Medicine & Health / Cancer

created Feb 17, 2011 | popularity 4 / 5 (2) | comments 3

Healthy ears hear the first sound, ignoring the echoes

Voices carry, reflect off objects and create echoes. Most people rarely hear the echoes; instead they only process the first sound received. For the hard of hearing, though, being in an acoustically challenging ...

Medicine & Health / Neuroscience

created Aug 26, 2010 | popularity not rated yet | comments 2 | with audio podcast