A microchip which can store information like a hard drive has been unveiled by US company Freescale.
The chip, called magnetoresistive random-access memory (Mram), maintains data by relying on magnetic properties rather than an electrical charge. One analyst told the Associated Press news agency that the chip was the most significant development in computer memory for a decade.
Mram chips could find their way into many different electronic devices. The benefit of Mram chips is that they will hold information after power has been switched off.
Freescale has been producing the four-megabit Mram chips at an Arizona factory for two months to build inventory. A number of chip makers have been pursuing the technology for a decade or more, including IBM, but Freescale is the first company to offer a chip with practical usage for many of today's electronic devices.
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