Superman ‘memory crystals’ to become a reality as scientists store computer data on powerful glass hard drive

Computer users could soon be saving their work onto hard drives made of glass after scientists developed ‘memory crystals’ similar to those in the Superman films.

Researchers have used laser beams to alter glass and make it possible to store memory inside, just as Clark Kent does in his Fortress of Solitude.

They say the crystals will be able to store much more than conventional hard drives and are less prone to overheating or damage.

Currently the glass shards can store up to 50GB of data, the equivalent of a whole Blu-ray Disc, on a piece the size of a mobile phone screen.

They can also withstand temperatures of up to 1,800F and last for thousands of years without the quality of the data stored degrading.

The process works by putting tiny dots called ‘voxels’ into pure silica glass which changes the way light moves through it.

These voxels can then be read using an optical decoder, allowing the user to write or delete data as often as they like.

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