Cell Phone Disco
Use your cell phone to transform an entire silo into a dazzling light show! Several thousand lights illuminate when you use a mobile phone in the vicinity of the exhibit.
Every single mobile phone transmits radio waves to connect to a cellular network, and every day millions of people around the world broadcast their conversations across these invisible waves. Tiny sensors in this exhibit detect and convert the invisible electromagnetic waves from a cell phone into another frequency, the range of visible light. Thousands of sensors incorporated in the display are tuned to detect the phone’s electromagnetic radiation.