100 Orbs of Light Float in the Schuylkill River

This past weekend in Philadelphia, 100 orbs of light floated in the Schuylkill River, glimmering and changing color in response to the activity of passers-by on shore. The installation, designed by Howeler + Yoon Architecture, is enabled by RFID tags—when a visitors sit on the landed orbs, the floating ones respond by changing the pattern of light spanning the river, without any physical tether between land and water