HAWTHORNE, CA - OSI Optoelectronics today announced the launch of its latest innovation in photonic technology: the APX-VNG0031PSD Two-Dimensional Position Sensitive Detector (PSD) series, featuring ...

What started as a normal river metal detecting trip quickly turned into a wild adventure. Every signal brought a surprise, and not all of them were what we expected. This is one hunt we won’t forget.

We decided to metal detect a river that looked absolutely filthy. The water was dark, thick, and full of debris. At first, it was just trash and scrap metal. Then the signals started getting stronger.

Meshtastic has been experiencing a bit of a renaissance lately, as the off-grid, long-range radio text messaging protocol gains a ton of new users. It’s been used to create mesh networks in ...

Makeblock mBot2 Rover Kit features anodized aluminum parts, for STEM and more realistic engineering practice. Ages 8+ and 12+ tiers ...

Chaos and delays at Brisbane Airport after a metal detector is believed to have failed. AddedAug 4th, 2025 Sydney police have established a crime scene in the hunt for kidnapped grandfather Chris ...

The detection of light at the single-photon level is important for tasks ranging from fluorescence imaging to quantum information processing, reports Neil Savage. High-sensitivity detectors that are ...

Purpose: This objective of the study was to assess the accuracy of an AI-based caries detection system, Overjet Caries Assist, or OCA, (Overjet Inc. Claymont, DE, USA) and to analyze the efficacy of ...