Achieving practical interstellar travel requires overcoming the immense challenge of reaching extraordinary velocities. To send a spacecraft, weighing roughly 1,000 kilograms, to a neighboring star ...
Coulomb blockade is a phenomenon in which the flow of electrons through a nanostructure, such as a quantum dot or a single-electron transistor, is restricted due to the electrostatic repulsion between ...
The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and one electron in the region outside the nucleus. The electron and proton are attracted to each other.