As per the A Spanish startup Bladeless wind generators will be cheaper, quieter and safer more bird-friendly.
Source : Indiegogo
https://www.youtube.com/watch?v=2_5K4kmnsL4
For generations, rural communities across Sri Lanka have practiced Kithul Madeema, a traditional method of tapping sap from the kithul palm (Caryota urens). In December...
