As a powerful material, DNA presents great advantages in the fabrication of molecular devices and higher-order logic circuits. Herein, by making use of the hybridization and displacement of DNA ...

Arithmetic circuits are important part of digital circuits. In the digital circuits, subtractor is one of the most critical components used in the processor of portable devices full subtractor is a ...

In Watchmen, based on the comic novel by the same name, the flawed hero, Dr. Manhattan, is accidentally vaporized in an "intrinsic field subtractor." He puts himself back together--transformed!--into ...