I recommend using the Apreuty High Frequency Machine ($30) close to your skin rather than on your skin for a more targeted, intense approach. If you leave a gap between the device and your skin, the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The best high-frequency wands, along with light therapy and sculpting microcurrent devices, make it easy ...

Low-frequency resonance is a bigger problem than high-frequency resonance in general industrial machines. This little-recognized distinction is crucial in determining the best way to correct it.

A grouping of Mitsubishi Electric’s AC drives or variable frequency drives (VFDs). In the competitive landscape of machine design, engineers in food, pharmaceutical and manufacturing sectors face the ...

Salma Hayek’s beauty comes from within. The 56-year-old Oscar winner recently joined Kelly Ripa’s SiriusXM podcast, “Let’s Talk Off Camera,” for a wide-ranging interview that touched on her beauty ...