ScienceDaily: Energy Technology News

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Acoustic diode, providing one-way transmission of sound, promises to improve ultrasound imaging Posted: 08 May 2012 12:19 PM PDT An acoustic diode, enabling the one-way transmission of sound waves, could dramatically improve the quality of medical ultrasound imaging and lead to better sound dampening materials. Such a device has now been created.

New battery system could reduce buildings' electric bills Posted: 08 May 2012 08:28 AM PDT The team of scientists who has been developing innovative low-cost batteries that are safe, non-toxic, and reliable with fast discharge rates and high energy densities, announced that it has built an operating prototype zinc anode battery system. The large-scale commercialization of the battery would start later this year.

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