vansig wrote: Some of these materials, boron nitride included, have intriguing semi-conductive properties. Cheap large-scale fabrication is the key, and the use of something simple like ultrasound could definitely help, quite a bit.
Plastic molding plants are abundant over here. We weld with ultrasound, and some of the sputtering target coating machines we use might lend themselves to layering onions- if you can keep the onion cool enough in operation.
