Experts say that space colonization and alternate energy is the next big thing, with the sales of portable gadgets booming companies are developing portable solar chargers, fuel cells etc. To catch up with the trends Sony Japan has developed a Bio charger which generates power from a sugar solution. The unit is cube shaped and 39mm wide, four of them are interconnected the power generated (50mW) is enough to power the NW-E407 Walkman and passive speakers. The bio electric battery uses the same mechanism like living beings and generates electricity by a chemical reaction of carbohydrates.

The Bio charger is still in development stage and is surely a step in the right direction.

Via - Sony Japan