DVDs and Blu-ray disks contain materials that shape-shift from one atomic state to another when struck with pulses of laser light. Data is "recorded" in these two atomic states.
Now, through ultrafast laser pulses that speed up the data recording process, Moore Foundation grantees at Caltech used ultrafast electron crystallography to watch the atomic configurations of these materials change. These findings may lead to better, faster computer memory systems with larger storage capacity.
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