It's a strange scientific phenomenon: ultra-thin magnets are solid, but when zapped with lasers, they actually behave like fluids.

This fact has been known by academics for years. When an ultra-thin magnet is hit with a laser, it suddenly demagnetizes. Imagine tiny refrigerator magnets plopping on the ground. How does that happen?

In a new study, researchers from the University of Colorado Boulder are examining how magnets recover from this demagnetization and return to their original properties in a fraction of a second.

The implications of the study can have a huge contribution to computer engineering, particularly on computer hard drives, scientists said.

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