Complex sentence: A variety of proposals have been made to implement nanocircuitry in different forms including Single-Electron Transistors, Quantum dot cellular automata, and Nanoscale Crossbar Latches.
Split into simpler sentences: A variety of proposals have been made to implement nanocircuitry in different forms. These include Single-Electron Transistors, Quantum dot cellular automata, and Nanoscale Crossbar Latches.