Renewable energy like wind and solar isn’t a perfect solution for humanity’s energy needs. Although such green technologies are essential for weaning society off of fossil fuels, the metaphorical elephant in the room is that sometimes the wind doesn’t blow and the sun doesn’t shine. Recognizing this inherent weakness, entire industries have been born in an effort to provide the perfect solution.
Nuclear microreactors, lithium-metal batteries, and even the far-future promise of nuclear fusion are all examples of technologies that could solve this renewable energy shortcoming. Then, there’s gravity batteries, a novel idea that you could leverage Isaac Newton’s universal force to create kinetic energy when renewables are producing at their lowest. After many years of design and small-scale trials, one the biggest companies behind this approach — the Swiss-based Energy Vault — is almost ready for its first real-world test...
Enabling a sustainable world with renewable energy.
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