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Articles on Energy efficiency

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Blockchain transactions are carried in blocks. The amount of energy it takes to add a new block varies widely depending on how it’s done. Yuichiro Chino/Moment via Getty Images

What is proof-of-stake? A computer scientist explains a new way to make cryptocurrencies, NFTs and metaverse transactions

Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.
Is it better to cool your house all day, or adjust the A/C setting on your way out the door? Westend61 via Getty Images

Does turning the air conditioning off when you’re not home actually save energy? Three engineers run the numbers

Energy modeling software provides insight into whether letting your A/C relax while you’re gone all day will save you energy – and money.

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