The company Tremont Electric presented a device called nPowerPEG, that allows you to recharge your gadget's batteries by just have it on movement.
The product is like a tube that can be carried in a backback, and while you walk with it, it will generate enough energy to recharge your gadgets.
For sophisticated devices such as smartphones you must walk 30 minutes to gain 1 minute of charge, but devices such as an iPod Nano, half hour of walk charges half hour of music.
Caves belong to the most enigmatic formations, created by Mother Nature beneath the surface of planet Earth. Since ancient times caves were cloaked in myths and legends. Lack of knowledge about the nature of caves with their inner world and inhabitants often scared people.
Caves are capable of amazing people with the unbelievable forms, grandeur and beauty of stalactites and stalagmites.