No matter how wireless your wireless device is, it still requires at least one cable to charge it up. Well, that might not be the case for much longer. A number of companies are working on bringing wireless charging modules to the in-car market. Brian Cooley takes a look at one such technology from eCoupled, on show at this year's SEMA show.
Up for a challenge?
Put yourself to the real tech test by building your own virtual-reality headset with a few household items.