id author title date pages extension mime words sentence flesch summary cache txt 0k225b01f17 Beth Claire Isaksen Molecular Quantum-Dot Cellular Automata 2003 .txt text/plain 107 8 54 We compare the results of calculations using several different levels of theory. Quantum-dot cellular automata (QCA) is an approach to computing which eliminates the need for transistors by representing binary digits as charge configurations rather than current levels. cache/0k225b01f17.txt txt/0k225b01f17.txt