Millennium 7 * HistoryTech on MSN

How Air Defenses Find Invisible Jets

Stealth cuts your radar return, not your existence. In this breakdown, we show how modern air defenses work around low ...

Calculex Announces Enhanced RIPR Model 1401, Expanding Capabilities of a Proven, Fielded Recorder for Modern Defense and Aerospace Platforms

LAS CRUCES, N.M., Nov. 04, 2025 (GLOBE NEWSWIRE) -- Calculex, a Spectra Defense Technologies Business Unit, announced new enhancements to its Recorder, Integrated Processor Router (“RIPR”) Model 1401, ...

Infrared sensors gain sensitivity with ultra-thin lens for fire and threat monitoring

Researchers have developed a highly sensitive method for detecting hotspots in the environment, such as bushfires or military ...
Hackaday

Regular Old Diodes Can Be More Photosensitive Than You Think

Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...