It explores the line and how invisible that line can end up as tech becomes more advanced and more human like. (nerdlocker.com)
According to the principles of traditional Chinese medicine, these points are located along invisible lines of energy flow (called «meridians»), which connect our organs with other parts of our body. (verywellhealth.com)
For Edinburgh Art Festival 2012, the artist Susan Philipsz has created Timeline, a sound installation across multiple sites which retraces this now invisible line between Calton Hill and the Castle. (nationalgalleries.org)