Social change: A selfless step for humankind.

(From The Jakarta Post)

Zamrisyaf, a 46-year-old worker at the State Electricity Company (PLN) in West Sumatra, invented a machine that generates electricity from ocean waves, Kompas daily reported earlier this month.

Using a pendulum to capture and transform energy, the machine, costing Rp 3 million each, can be installed on any beach with steady wave movements to produce three kilowatts, enough energy to give light to 20 fishermen's houses. It can also be used to freeze the fishermen's catch and start a processing home industry to increase income and relieve them of the risk of going out to sea during bad weather.

He has been asked to present his invention before top officials, but he is far from satisfied, as the machine has yet to become a standard device in coastal settlements across this vast archipelago. If he achieves that, he will indeed create a revolutionary step in improving the life of many, while producing alternative "clean energy" in mass, which is a goal in itself.

How to do that? He is already an inventor, but now he needs to become a social entrepreneur.

He might want to learn from Fabio Rosa, a …