Researchers develop battery-free cell phone that uses almost no power

Researchers develop battery-free cell phone that uses almost no power

ga('send', 'event', 'Telecom & Mobile', 'article', 'article-industry-impression', {nonInteraction: true});

Wireless technology now allows electric vehicles to charge as they travel and smartphones to recharge using their screens as solar panels. Now, researchers at the University of Washington have eliminated not just the phone charger and cord, but the entire battery. The team has developed the first battery-free cell phone, using only a few micro-watts of power, which it harvests from either ambient radio signals or light.

Add to my folders:

Select any pre-existing folders to add the current post to. Posts will be added to a 'default' folder if nothing is selected.

Create a new folder (Optional)

Separate with commas to add multiple folders. The current post is automatically added to any new folders you create (e.g. my new folder, my second folder).

Add

Remove from my folders

Below is a list of folders where the current post appears in. Select the folder you wish to remove it from.

Update