Designer David Carson and artist Thijs Biersteker have worked together to create a mind-controlled art installation, which goes on display in Amsterdam this week.
Viewers wear EEG (electroencephalography) headbands to watch Mind Over Matter, which is premiering at the NewWerktheater.
The collage-based projection responds to inner calm, but also inner turmoil.

The EEG headbands detect electrical activity inside the wearer's brain. When viewers are in a calm or meditative state, the artwork has a peaceful appearance.
However, if one or more members of the audience can't quiet their mind, the artwork gets accordingly frenzied, with dark clouds and images of pollution intruding into the field of view.
Carson and Biersteker want Mind Over Matter to make audiences appreciate the power of collective action.
Mind Over Matter unites Carson's graphic design ? the US designer is best known for his "grunge typography" and art direction on the magazine Ray Gun, as well as work for corporate clients like Bose ? with Biersteker's tech knowhow.
An interactive artist, Biersteker's previous works include The Cover That Judges You, a book that refuses to open for judgmental readers.

The EEG headbands used in the installation measure the frequencies of all brainwaves, but Mind Over Matter hones in on only the two most reliable ones to read ? theta and beta waves.
Theta waves are associated with relaxing activities like light sleep and meditation, while beta waves are generated wh...