Properties that remain unchanged when materials are stretched or bent, which are broadly referred to as topological ...

A theoretical framework predicts the emergence of non-reciprocal interactions that effectively violate Newton’s third law in solids using light, report researchers from Japan. They demonstrate that by ...

Researchers have discovered that molecules experience non-reciprocal interactions without external forces. Fundamental forces such as gravity and electromagnetism are reciprocal, where two objects are ...

One of the first lessons we learn about antennas is that they have reciprocity, meaning that their “transmit” field-radiation pattern is identical to their “receive” pattern. In most situations, this ...

Non-reciprocal optical devices, which break Lorentz reciprocity, are crucial for telecommunications, quantum computing, and optical signal processing. Traditional magneto-optic devices rely on bulky ...