What happens when someone brings a metal detector into a big retail store? The search begins for hidden coins, lost items, and maybe even real gold. The results are unexpected. US Central Command ...

One of my favorite weekly newsletters just hit my inbox and it was full of news about robots and robotics. The main headline was about utilizing robotic worms to simplify underground distribution line ...

The next time you check your internet speed or whether your favorite site is down, another company may be profiting. On Tuesday, Ziff Davis announced that it sold its Connectivity division, which ...

Jac Caglianone struggled in his MLB debut last season but his swing metrics hint at a better sophomore campaign. Geoff Stellfox / Getty Images The tools are new. Mistakes will be made as we try to ...

This project demonstrates the interfacing of an Infrared (IR) sensor with the Arduino UNO R4 WiFi to detect obstacles in real-time. It utilizes digital signal processing to monitor the environment and ...

ST’s VL53L5CX is a very small 8×8 grid ranging sensor that can perform distance measurements at a distance of up to 4 meters. [Henrique Ferrolho] demonstrated that this little sensor can also be used ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

Bringing light to the invisible, this spark detector takes advantage of Alpha radiation's tendency to ionize air. Add 6,000 volts of uncaged plasma, and now you're able to see the individual pathways ...

Crime is down. Migrant workers and customers are staying home. As part of our video series on Trump’s second term, The Wall Street Journal’s Michelle Hackman takes us inside the aftermath. Photo ...

The drive letter X: in Windows usually stands for the use of a RAM disc. RAM refers to Random Access Memory, i.e. the working memory of your PC. You can make part of it available as a RAM disc and ...

For some, Halloween is starting to rival Christmas for setting up elaborate holiday decorations. Homeowners now spend many hours─and sometimes dollars─creating ghoulish displays of lit pumpkins, ...