... were supposed to and more money has to go to road construction. But now a young scientist has developed a method where sound waves can reveal what a road looks like underneath and thereby ...
... . "The success of our simple metamaterial design opens further possibilities in manipulating sound waves, particularly in transformation acoustics, which is analogous to transformation optics. Curved ...
... familiar to expectant parents. Now scientists are finding many more advanced applications of sound in medicine. Sound waves can assess potentially dangerous atherosclerotic plaques, monitor chronic ...
... by the most skilled stethoscope-wielding physician.
Their approach is based on a mathematical analysis of the sound waves produced by the beating heart known as Empirical Mode Decomposition (EMD). ...
... a honeycomb-like structure that traps sound regardless of frequency. Instead of resonating, sound waves plunge into the channels and dissipate through a process called viscous shear.
Viscous shear ...
... how waves are influenced by the geometry of their enclosure. Imagine sound waves in a concert hall. In a well-designed concert hall you can hear every note from every seat. ...
... Nitronex Corp., used a very high frequency sound wave - about 100 million times higher ... reversing the process, converting high-frequency sound waves into electricity. The researchers predicted that high ...
... though both groups perceive receding sounds equally. Rhesus monkeys also spend less ... through a given material, the ocean for instance, the sound waves respond to the properties of the fluid. Scientists ...
When acoustic waves propagate through a given material, the ocean for instance, the sound waves respond to the properties of the fluid. Scientists can measure the elastic properties of soft solids by ...
... to the latest ultrasound techniques that image growing fetuses and beating hearts. These days, sound waves are emerging as the basis of many new medical technologies -- helping to deliver genes and ...
... thin shells, like trash cans or cymbals; and the sounds of brittle fracture, like breaking glass ... vibrate, acting like a loudspeaker to create sound waves in the air.
The simulation method developed ...
NOTTINGHAM, England, June 23 (UPI) -- British scientists say they have created a new type of "laser" that generates ultra-high frequency sound waves instead of light.
... a professor of audiology at Vanderbilt University. The vibrations mix with the sound waves traveling from your mouth to your eardrum, giving your voice a quality — generally a deeper, ...
... 1,000 ultrasound transducers that can
be specifically adjusted to each individual skull. The waves,
absorbed by the skull, are converted to heat energy, which reaches
130 degrees Fahrenheit. This ...
... diaphragm has
its own characteristics, all microphones are not created equal; and
because the sound waves are converted by these diaphragms, there is
always some degree of mechanical interference with ...
