Check out this new concept phone from Nokia. Called the Eco Sensor Concept, it not only allows you to make calls to others but also monitor various parameters such as weather details, our own health conditions and many other parameters. The added advantage of this mobile is that it works with solar power. Its actually a 2 part concept. It is worn as a watch on the wrist were it gathers all the details. In the second part of the concept, it transfers these details to the phone via radio frequency. Sounds superb right.