Other
“Extremely simple Metal Detector whose making requires only one cheap integrated circuit TL084. It can detect metal coin at 15cm distance, and big plate at more than 50 cm. As I mentioned before, the device is very simple to make …
“EEGs are a noninvasive way to look into your brain. While the brain is extremely complex, areas of it can lock into circular firing patterns, resulting in telltale brain waves that one can observe with the right equipment. Intensity of …