Cryogenic freezer. Computer artwork of a human head in a cryogenic freezer. Cryogenic freezers can preserve cells by storing them at very low temperatures in liquid nitrogen. In this artwork a human head has been preserved. It will remain frozen until a time in the future when the technology might exist to 'cure' the person of his death. Tissue from the head could be used to clone a new body. Although the technology for such resurrection does not yet exist, many people in the USA and UK are opting for this service at their deaths.

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