For the first time, a team of US researchers has used sensors containing highly excited Rydberg atoms to detect signals from an ordinary handheld radio. Through a careful approach to demodulating the ...

Software-defined radio is transforming test and measurement by replacing rigid hardware with adaptable software, enabling ...

A diode is a semiconductor device that allows electrical current to flow in one direction while blocking it in the other.

A suspended chalcogenide waveguide achieves record ppb-level gas detection in the near-infrared, enhancing sensitivity for portable environmental monitoring.