News tagged with frequency

Elephant age estimated from voice

A paper published in Bioacoustics explains how researchers have been able to estimate the age of an elephant based on its vocal sounds. Results showed that they could distinguish infants, calves, juveniles, and adults with 7 ...

Mar 06, 2014
5 / 5 (2) 0

Harvesting vibrations to power microsensors

Battery replacement may soon be a thing of the past. Researchers from A*STAR's Institute of Microelectronics (IME) are tapping into low frequency vibrations, the most abundant and ubiquitous energy source in the surroundings, ...

Feb 06, 2014
5 / 5 (4) 1 | with audio podcast

Near error-free wireless detection made possible

(Phys.org) —A new long-range wireless tag detection system, with potential applications in health care, environmental protection and goods tracking, can pinpoint items with near 100 per cent accuracy over ...

Jan 23, 2014
5 / 5 (10) 4 | with audio podcast