Laser Proximity Sensors use laser beams to detect the presence or absence of objects within a certain range. They are used in security systems, robotics, automation, and industrial processes, where ...

To detect radio signals using a gas, researchers first have to perform a quantum magic trick. They use a sequence of lasers ...

Scientists at the European Space Agency used a laser to communicate with a spacecraft 165 million miles (265 million kilometers) away in deep space for the first time, marking a major step forward in ...

The UK defense ministry says it will invest in technology to detect lasers being aimed at spacecraft. The move comes at a time when many militaries are becoming increasingly concerned about threats to ...