Like yoga mats with coils, these electromagnetic frequency-emitting devices are trending and doctors love them. Here’s the ...

Unfortunately commercial PEMF machines can cost thousands of dollars ... which in turn dumps the output of the laptop power supply into a user-wound coil. [mircemk] has a 17 cm (6.7 inch) open ...

These wearable devices produce a pulsed electromagnetic field (PEMF) around the bone ... covered “back brace” contains some kind of coil. But being a high-tech medical device, you might ...