A Dutch inventor has successfully created a contraption that generates electricity from gravity – and it could revolutionize the future of renewable energy.

Janjaap Ruijssenaars of Gravity Energy Ltd. recently finished the prototype of his gravity energy generator.

The generator works by unbalancing a weight so that gravitational energy becomes available as input to a piezo generator. This means that a gentle breeze is enough to generate the electricity.

In this video interview with Reuters, Ruijssenaars says that his generator could reach up to 93% energy efficiency.

The Amsterdam-based company was purchased by angel investor Jeroen van den Hamer, who said: "The high efficiency in comparison to existing sustainable methods such as wind turbines and solar panels caught our attention. This could be a game changer."

(WATCH the video below)

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