Edifier bought Stax back in 2012 and has recently revived the brand. Today we check out the company's latest offering, the Stax Spirit S5, a pair of Planar Magnetic bluetooth headphones that are ...

Reece Bithrey's review of the Audeze MM-500 planar magnetic headphones. Are they worth their eye-wateringly expensive price ...

Scientists have imaged and fine-tuned a new type of magnetic material far beyond the souveniers you'll find stuck on your ...

Baker Hughes has spent the last three years developing a complete system involving PMMs, the E2000 ESP and variable speed ...