Electric charges, Conservation of charge, Coulomb's law-force between two- point charges, forces between multiple charges; superposition principle and continuous charge distribution. Electric ...
Experiment has now proved the existence of the predicted three-dimensional 'topological insulator' in the semiconducting alloy Bi 1−x Sb x. One of the triumphs of quantum mechanics in the ...
The current international financial architecture is a key reason that the UN Sustainable Development Goals are failing. A landmark conference in Spain must make progress in reforming it.