A computer scientist argues cryptocurrency is a harmful scam. It wastes massive energy and enables crime. The tech doesn't deliver its promised benefits. Many online commenters agree, calling it a speculative bubble. Others defend its potential for decentralized finance. The debate highlights deep divides over crypto's true value and impact.
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UMass Amherst engineers created an artificial neuron using bacterial nanowires. It operates at ultra-low voltage, just like a real biological cell. This enables direct communication with living cells and saves huge amounts of energy. It could lead to efficient bio-computers and wearable tech. Future devices might be powered by sweat or even harvest energy from the air.
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Bitcoin and Ethereum's next price moves are in focus. So is the final score of the Super Bowl. These are the top markets drawing interest this week.
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