A simple, low-cost metal detector built around the 555 Timer IC that detects metallic objects by sensing changes in electromagnetic fields. The circuit uses the 555 IC in astable mode to generate ...

The decision comes after the school board had already been considering implementing metal detectors for the 2025-26 school year. The district's coordinator of safety will be meeting with ...

Aside from the gentle swish of the sea, the only noise seemed to be the high-pitched beeps coming from a metal detector in my right arm. I stopped in my tracks, the shovel in my other hand ...

Terms of Service and Privacy Policy. A metal detector hobbyist’s find has yielded one of the UK’s largest and most expansive troves of Iron Age artifacts. After ...

On Monday, two youths equipped with a metal detector made a discovery in the municipality of Houthalen-Helchteren, Limburg province, Belgium. According to Le Soir, they unearthed several pieces of ...

A Jamestown resident wants to know more about the safety of students inside city schools. Merry Williams-Diers said Tuesday, during open session, to members of the Jamestown Public Schools Board of ...

Two men with metal detectors recently discovered a trove of ancient treasure in Transylvania, which shed new light on early settlements in the storied historical region, local officials said.

This latest episode, less than a year after a similar event in the same school, has left many questioning the effectiveness of existing security measures, particularly the use of metal detectors.

This paper demonstrates an on-chip di/dt detector Figure 1: Block diagram of the di/dt detector circuit. The bold lines represent outside devices. IP[4]. This IP can be applicable for feedback ...

In December, Houston ISD announced that it would implement metal detectors in their high schools from January to May. Humble ISD contracted with Evolv Express, an AI-powered weapons detector ...

Two metal detectorists recently came across millennia-old treasure in a small European village. The discovery was made this spring in the Romanian commune of Breaza, Mureș County, which is ...