Ecofriend

Eco Factor: New research indicates that sound can be a source of energy for cellphones and portable electronics. A cellphone normally spends its battery power to keep our conversations going. However, new research indicates a future of cellphones..

For those of you who don’t know what a Theremin is, let me quickly tell you a little bit about them. Pronounced as ‘teremin’, they are music instruments that work without being touched, consisting of antenna’s which sense the hand movement of.

Let’s give the clean renewable energy a try to dole out some foot-tapping melodies. And I don’t mean that you need to rush to some music shop and buy over the counter solar sound system. Here is a cool DIY portable audio player powered by the sun...