\u201cMemories are the architects of our identity,\u201d says technologist Pau Aleikum Garcia, but they\u2019re not permanent. Photos can be lost amid political unrest or natural disaster, while illnesses like Alzhemier\u2019s can rob people of their past. He puts forward a novel solution \u2014 \u201csynthetic memories,\u201d or dreamlike visualizations of long-gone moments created through generative AI \u2014 and explores how it could reconnect families or even enhance cognitive abilities.