Greg Leyh likes to screw around with voltage and electric fields and plasma. In his time he’s built some of the world’s biggest Tesla coils, huge towering transformers that throw off terrifying webs ...

The Currentbody LED Hair Growth Helmet uses red light therapy at a wavelength of 660nm, to deeply penetrate into the scalp. This increases blood flow and decreases dihydrotestosterone (DHT) levels, a ...