Everyone loves wireless power these days, almost vindicating [Nikola Tesla’s] push for wireless power. One reason why transmitting electricity this way is a terrible idea is the massive losses ...

[James] has a friend who teaches at the local community college. When this friend asked him to build a transformer coupling simulation, he was more than happy to oblige. Fortunately for us, he also ...

January 15, 2009 The promise of wireless electricity has been around for over 100 years. Nikola Tesla spent much of his productive life experimenting with wireless power, the familiar Tesla coils is ...

In the 1890s, Nikola Tesla captured the imagination of the world with his invention of the Tesla coil, a device that could transmit electricity through the air, no wires required. More than 100 years ...

Bel group company Signal Transfomer has announced its new Wireless Charging Transmission Coils (WCC) in both Single and Multiple Windings for smart car applications, consumer products, controllers, ...

Battery life is one of the most vexing problems in mobile tech. Indeed, Smartphone users consistently rate battery life as their No. 1 gripe. Consumers want better batteries, not wearables. So Apple’s ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

More than a century ago, Nikola Tesla studied high-power electromagnetic energy transfer without wires. Which raises the question: Why would Elon Musk, today’s tender of the Tesla flame, be investing ...