«I'm interested in generating and diagnosing extreme states of matter,» he says. (discovermagazine.com)
Positive feedback breeds instability, and processes that operate by positive feedback are dangerous, and usually end up in extreme states. (climate-skeptic.com)
The pedal seems two have two extreme states of being depressed and being released, meaning nothing in between, kind of like a power switch, it is on or off. (mechanics.stackexchange.com)