At a time of wireless everything—from phones and Internet to headsets and keyboards—it seems tedious that our gadgets remain tethered to an outlet whenever they need a charge. It's especially galling given that the technology has been available since Nikola Tesla first demonstrated wireless power through magnetic induction in the 1890s.
Why hasn't cord-free charging—where a device gets charged when you place it on a charging surface—caught on? It's not due to a shortage of products, nor from a shortage of companies that want to sell them. More than 125 businesses have joined the Wireless Power Consortium, formed in late 2008 to create a global charging standard. While the consortium hopes the technology will one day become as common as Bluetooth in most devices and, like Wi-Fi, available in many public spaces, wireless charging has been slow to take off.
To read the full, original article click on this link: Wireless Charging—Has Its Time Finally Arrived? - Technology Review
