How long does a thought last? What unfolds in the fleeting moment when a ring of mist appears—only to vanish again? Perhaps, within that instant, a lasting idea is born.
In the summer of 2025, the artists Julian Lenzenweger and Jonathan Mandl created the smoke ring machine for Ars Electronica—an eye-catching welcome piece at the entrance of POSTCITY that invites reflection, if only for a moment.

Photo: tom mesic
Experience
panic for a moment
how long does a thought last?
Julian Lenzenweger (AT), Jonathan Mandl (AT), Ars Electronica (AT)
Please note: The program for the Ars Electronica Festival 2025 is still in progress.
We are currently preparing all the information for the website and plan to put the full program online in the coming days – stay tuned!