All of life’s experiences are ephemeral; they are mostly fleeting memories unless preserved in some concrete or virtual form which captures the moment’s resonance. Like the proverbial stone tossed into the pool, the expanding ripples reverberate into experiences that may otherwise be evanescent. Without ‘fixing them in time and space’ this energy eventually dissipates, losing its expansive power. Since time immemorial, humankind has responded to ephemerality by devising creative responses that attempt to record, reflect or commemorate experience through the arts and other activities. Thirty thousand years ago, shamans from the Aurignacian epoch...