Berlin-based artist Karina Smigla-Bobinski created ADA, a large interactive analogue installation. It stands as a gigantic helium-filler membrane covered with charcoal spikes. It actually floats in a space, with visitors pushing and spinning it. The spikes create marks on the walls and everyone's hands as they engage with the installation. The balloon is three feet in diameter and has 300 charcoal sticks placed 10 inches apart.

[via DesignBoom

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