This circuit is useful to detect microwave (gigahertz signal) sources like microwave oven, satellite communication devices, Mobile phones etc. It gives audio visual indications when it detects the ...

Physicists from Rice University and Princeton University have discovered how to use one of the information technology industry's mainstay materials -- gallium arsenide semiconductors -- as an ...

Modern microwave technology, including the generation, manipulation, and detection of microwaves, plays a vital role in various fields, such as high-frequency integrated circuits, quantum computing, ...

Microwave photonic signal processing is an emerging field that exploits the interplay between microwave signals and photonic components to achieve functionalities that exceed the limitations of ...

Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...