Asked to name the raw ingredients for the next technological revolution, chances are you wouldn't pick pencil-lead and water.
Yet according to new research, simply mixing graphite with water and baking the result may be enough to create an effect with legendary status in science: room-temperature superconductivity.
If confirmed, the claim could transform the energy sector, making power generation and distribution far more efficient, and slashing demand for fossil fuels, including oil.
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