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

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 ...

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 ...