Ever since Nikola Tesla discovered alternating current, his life was devoted to providing efficient ways to use it. For the better part of the 20th century, battery-powered devices used Edison’s direct current. Not only did Edison make DC batteries small & powerful, converting the power to AC would mean licensing patents from his rival G...
If you liked this news, you may be interested in these..
En el mundo de la cosmética, la presentación es fundamental. Desde el momento en que un cliente potencial mira el producto hasta que lo sostiene e ...