Devices that measure the physical world, such as movement, light, sound or heat, and turn it into data. They let artworks respond to viewers and their surroundings.
There is also Jim Campbell. He made a diagram of media art which is basically just a scrolling list on the left side of possible input devices, mechanisms and detectors and sensors, and then on the right hand side the outputs, which would be screens or machines.
Marius Watz, Marius Watz on Pre-Modern Generative Art
Then, later in my work with sensors, I put the technology on the body but there was always this awareness that we were losing our physical world and our physical body.
Rebecca Allen, Operator Profiles Rebecca Allen