For one, it only takes a small radio receiver to detect lightning strikes, and [mircemk] shows us exactly how to do that. When lightning flashes, it also lights up an incredibly wide spectrum of ...

Arduino Based Wireless Intrusion Detection Using IR Sensor and GSM Intrusion Detection Systems (IDS) strive to catch computer system intrusion & utilize by any garnering and analyzing data.

Researchers have developed a sensor made from 'frozen smoke' that uses artificial intelligence techniques to detect formaldehyde in real time at concentrations as low as eight parts per ...