YouTube Investigate: Once you've narrowed your possibilities all the way down to two or 3 detectors, look at them in motion on YouTube. There is nothing like seeing them and hearing the house owners look at them to present us a terrific concept of exactly what the equipment is like And exactly how it really works.Sensitivity meter: The sensitivity… Read More

I brought a handful of modest objects created of different metals and scattered them on the bottom, to view how or even when the devices could differentiate involving them—by way of example, if they may “see” the difference between a steel bolt in addition to a silver coin.These planning to put money into a significant-good quali… Read More