Fast data recording on hard drives using heat

An international team of researchers led by the University of York in England has demonstrated fast data recording on hard drives using heat.
They used an ultra-short pulse of heat to reverse the poles in a ferrimagnet in order to write the data.
A new way of recording data to hard drives could increase their speed by hundreds of times. Scientists claim this technique uses "heat" to record information instead of using magnetic field.
What the Researchers Found..............
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