Plants are the main source of Oxygen.
Basically, one needs to bury a bio-circuit in a plant pot which has a healthy plant.
The outputs of this bio circuit needs to be lead out of the soil.
E-Kaia is a portable, eco friendly charging gadget prototype which is still awaiting its patent.
Further, it seems the Chilean Economic Development Agency (CORFO) is also giving E-Kaia financial backing.
source: www.techworm.net
