The use of light signals to connect electronic components is a key element of today's data communication technologies, ...

When an object moves extremely fast—close to the speed of light—certain basic assumptions that we take for granted no longer ...

Repulsive gravity at the quantum scale would have flattened out inhomogeneities in the early universe First light: The cosmic microwave background, as imaged by the European Space Agency’s Planck ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics ...