Since atoms are smaller than the wavelength of visible light, we can’t see them directly—but they still interact with light in ways that create color. Discover how atomic structure influences ...

no one could arrive at a model that achieved atomic stability and explained features such as the distinct, discrete spectral lines of light emitted by atoms of different elements. Shortly after ...

The Atoms for Peace and Development motto summarises the IAEA's mission, which is to ensure that nuclear technology is used only for peaceful purposes and to help Member States use this remarkable ...

When sunlight hits the cells, it knocks electrons loose from their atoms. As the electrons flow through the cell, they generate electricity. On a much larger scale, solar-thermal power plants ...

The visible universe—including Earth, the sun, other stars, and galaxies—is made of protons, neutrons, and electrons bundled together into atoms ... of light could be explained if the light ...