The $3.5bn National Ignition Facility (NIF) sits in a 10-storey building covering three football fields and will harness the power of lasers to turn tiny pellets of hydrogen into thermonuclear energy.
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研究人员展示了一块一便士大小的“核能电池”，该电池可利用放射性同位素的衰变产生电能。
Researchers have demonstrated a penny-sized "nuclear battery" that produces energy from the decay of radioisotopes.
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