Particles of light can spend "negative time" passing through a cloud of extremely cold atoms – without breaking the laws of ...

The topological quantum computer still exists only in theory but, if possible, would be the most stable and powerful ...

MIT physicists and colleagues have created a new material with unusual superconducting and metallic properties, thanks to ...

Entanglement, previously seen in photons, has been observed in top quarks at the Large Hadron Collider in a first, marking a new high-energy milestone.