If you’re partial to browsing AliExpress, Banggood, or eBay for unusual hardware, you may have seen the HB100 Doppler Radar modules. These are a PCB with a metal can on board, and their reverse side ...

While we have an innate fear of the eye in the sky (and the role it'll play in the coming robot apocalypse), there's no doubt that observation satellites do a lot of good -- from recording weather and ...

A thin magnetic ceramic film eliminates the need for circulators — heavy and expensive device integral to a lot of radar technology. Traditionally, circulator designs have relied on large and heavy ...

Cheap radar-based obstacle detectors could cut the worldwide death toll at railway crossings, safety experts say. Their claim follows an accident in the UK on Saturday in which an express train ...

Roke Manor Research, part of Siemens Corp., has demonstrated a passive radar that exploits signals from GSM mobile phone base stations. “Base station signals go further than you think—several ...