Chul Hyun Ahn, born in South Korea & living in the USA: his mirror drawing installations:

Spencer Finch: ‘interaction of the physiological and the psychological aspects of perception’:  Yvonne Lambert Gallery :http://www.yvon-lambert.com/2012/?page_id=75   http://www.spencerfinch.com/

Cosmos homage to the late Cornell astronomy professor Carl Sagan Johnson Museum of Art, New York /

Hive, Bleecker Street Subway Station, NYC /

Multiverse, Walkway to National Gallery of Art, Washington D.C. /

Leo Villareal, New York–based artist using LED lights and encoded computer programming to create illuminated displays: http://villareal.net/

Ivan Navarro, born in Chile, who like Chul Hyun Ahn, uses light, mirrors & neon but often with a political flavour: http://www.ivan-navarro.com/ /

Your Circular Now 2015 /

Schools of movement sphere, 2014 /

Bridge from the Future /

Olafur Eliasson lives & works in Copenhagen and Berlin: ‘Interests in perception, movement, embodied experience & feelings of self’: http://www.olafureliasson.net/#