Path. 15, Cosmic Strangers meditates on invisible traces—of distance, movement and borders—in the spaces of encounter with the other. Engaging with cosmic ray muons, the collaborative project crosses the disciplines of particle physics, photography, new media, poetry and sound arts. The public art draws from a 2000-year-old cosmic-crossing myth: a wanderer seeking the Yellow River’s source reached the Milky Way, and encountered celestial lovers Cowherd and Weaver. Confused, he asked, “Where am I?”. “Bring back this stone when you return home, and it will tell you,” came the reply.

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