Negative ions are odorless, ... Room air circulation, heat and humidity, the proximity of grounded devices that may emit counteracting positive ions (such as computer monitors) ...

Salt lamps, because they emit negatively charged ions, impart myriad health benefits including reduced anxiety, improved sleep, increased energy, and protection from an “electric smog.” Salt ...

All emitters receive both positive and negative voltage, producing positive and negative ions from each pin (Figure 1). Air assist is critical with this arrangement because so much ion-to-ion ...