# Recharge your phone sans wires! (HT Tech) > Nokia has taken a baby step with the invention of a phone that recharges itself using a unique system. It harvests ambient radio waves from the air, and turns that energy into usable power... # Recharge your phone sans wires! ## Nokia has taken a baby step with the invention of a phone that recharges itself using a unique system. It harvests ambient radio waves from the air, and turns that energy into usable power... Jun 24 2009, 20:35 IST ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook.png) ![Follow on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/follow-us-facebook-hover.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Share.png) ![Share](https://images.hindustantimes.com/tech/static/revamp/images/png/Shareclicked.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp.png) ![Share on WhatsApp](https://images.hindustantimes.com/tech/static/revamp/images/png/whatsapp-hover.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter.png) ![Share on Twitter](https://images.hindustantimes.com/tech/static/revamp/images/png/twitter-hover.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook.png) ![Share on Facebook](https://images.hindustantimes.com/tech/static/revamp/images/png/facebook-hover.png) ![Bookmark](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmark.png) ![Bookmarked](https://images.hindustantimes.com/tech/static/revamp/images/png/Bookmarked.png) While early lab experiments have been able to 'beam' electricity a few feet to power a light bulb, the day when our laptops and cell phones can charge without having to plug them in to a wall socket, still seems decades in the future. Nokia, however, has taken another baby step in that direction with the invention of a cell phone that recharges itself using a unique system. It harvests ambient radio waves from the air, and turns that energy into usable power. Enough, at least, to keep a cell phone from running out of juice. While 'traditional' wireless power systems are specifically designed with a transmitter and receiver in mind, Nokia's system isn't finicky about where it gets its wireless waves. TV, radio, other mobile phone systems - just bounces around the air and most of it is wasted, absorbed into the environment or scattered into the ether. Also read click here. Nokia picks up all the bits and pieces of these waves and uses the collected electromagnetic energy to create electrical current, then uses that to recharge the phone's battery. A huge range of frequencies can be utilized by the system (there's no other way, really, as the energy in any given wave is infinitesimal). It's the same idea that Tesla was exploring 100 years ago, just on a tiny scale. Harvesting ambient electromagnetic energy is never going to offer enough electricity to power your whole house or office, but it just might be enough to keep a cell phone alive and kicking. Currently, Nokia is able to harvest all of 5 milliwatts from the air. Their goal is to increase that to 20 milliwatts in the short term and 50 milliwatts down the line. It wouldn't be enough to keep the phone alive during an active call, but would be enough to slowly recharge the cell phone battery while it's in standby mode, theoretically offering infinite power - provided you're not stuck deep underground where radio waves can't penetrate. Nokia hopes to commercialise the technology in three to five years. Catch all the Latest Tech News, Mobile News, Laptop News, Gaming news, Wearables News , How To News, also keep up with us on Whatsapp channel,Twitter, Facebook, Google News, and Instagram. 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