Please define what you mean with theatre. Yes it is much more cool to look at than a zener diode, but it is still a source of physical entropy. And one could a

Please define what you mean with theatre. Yes it is much more cool to look at than a zener diode, but it is still a source of physical entropy. And one could argue that a whole bunch of chaotic pendulums are more resilient to failure than a single diode.