USB 3.0 technology delivers more than 10 times the data transfer performance of the commonly used USB 2.0 peripheral interface.

Renesas Electronics has announced its new SuperSpeed Universal Serial Bus (USB 3.0) to Serial ATA (SATA) Revision 3 [Note] bridge SoC (system on chip, part number µPD720231) that enables the reduction of the total BOM significantly. The µPD720231 enables effective multi-gigabit per second (Gbps) data transfer between a USB 3.0 host system and a SATA device used in widely adopted external USB hard drives and solid state drives (SSD).USB 3.0 technology delivers more than 10 times the data transfer performance of the commonly used USB 2.0 peripheral interface. As the demand for media storage capacities and data transfer speed increases, the µPD720231 offers a fundamental building block to create an improved user experience for external USB storage.

The new µPD720231 device was developed to respond to the need to reduce the number of components and to simplify printed circuit board (PCB) controller design. It can control BD/DVD drives by supporting ATAPI command. It facilitates design of BD/DVD drives with USB interface.

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Nanotubes boost potential of salinity power as a renewable energy source

In November 2009, Norwegian state owned electricity company Statkraft opened the world’s first osmotic power plant prototype , which generates electricity from the difference in the salt concentration between river water and sea water. While osmotic power is a clean, renewable energy source, its commercial use has been limited due to the low generating capacities offered by current technology – the Statkraft plant, for example, has a capacity of about 4 kW. Now researchers have discovered a new way to harness osmotic power that they claim would enable a 1 m 2 (10.7 sq. ft.) membrane to have the same 4 kW capacity as the entire Statkraft plant. The global osmotic, or salinity gradient, power capacity, which is concentrated at the mouths of rivers, is estimated by Statkraft to be in the region of 1,600 to 1,700 TWh annually. Electricity can be generated through the osmotic phenomena that results when a reservoir of fresh water is brought into contact with a reservoir ...

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