This video explains how transistors work as switches and amplifiers in electronic circuits. Transistors control the flow of ...

(Nanowerk News) At Karlsruhe Institute of Technology (KIT), physicist Professor Thomas Schimmel and his team have developed a single-atom transistor, the smallest transistor worldwide. This quantum ...

Point two laser beams so that they cross each other, and each goes through as if the other one did not exist. Light rays cannot interact with other light rays—or can they? With the help of a single ...

Think of it as a medical monitor for the cell. Researchers have developed a microscopic device that can detect the ebb and flow of electrons within an alga as it photosynthesizes. The device is known ...