News tagged with harvests

Raiders of the lost amp

Energy harvesting is a process that captures energy that would otherwise be lost as heat, light, sound, vibration or motion. It can use this captured energy to improve the efficiency of existing systems or even to power new ...

Jul 05, 2011
2 / 5 (1) 0

Study probes sources of Mississippi River phosphorus

In their eagerness to cut nitrogen and phosphorus pollution in the Mississippi River and Gulf of Mexico, people have often sought simple explanations for the problem: too many large animal operations, for instance, or farmers ...

May 06, 2011
4 / 5 (2) 1

Drought rattles farmers in eastern China

Yu Ruicheng's weathered face creases with worry as she stands on her dry wheat field in eastern China, where a record drought is threatening to send soaring global food prices even higher.

Feb 25, 2011
not rated yet 1

Nanowires exhibit giant piezoelectricity

Gallium nitride (GaN) and zinc oxide (ZnO) are among the most technologically relevant semiconducting materials. Gallium nitride is ubiquitous today in optoelectronic elements such as blue lasers (hence the blue-ray disc) ...

Jan 26, 2011
5 / 5 (3) 0 | with audio podcast

Time is ripe for wine grapes

CSIRO researchers have discovered a new method growers could use to control when their grapes ripen, without affecting wine quality.

Nov 05, 2010
5 / 5 (1) 0