In hot, dry parts of the world, turning sunlight into electricity directly with solar cells or indirectly with solar-powered steam turbines makes sense.

在那些热且干旱的地区用太阳能电池将太阳光直接转换为电能，或用太阳能蒸气涡轮机间接转换是可行的。

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The team will now attempt to detect the transferred electrons as current and make solar cells that exploit hot electron transfer, even if the efficiency is still low.

该团队将尝试探测电子传导的电流并制作基于热电子传导的太阳能电池板，即使其能量转化效率仍然很低。

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However, if such high-efficiency solar cells based on hot-electron transfer are to be become a reality, we have shown the necessary first step.

不过，如果基于热电子传导的高效太阳能电池板最终能实现的话，我们已经踏出了所必须的第一步。

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Or take solar energy, could we put solar cells into the roads and highways and figure out how hot they get, can we convert that energy back to the automobile.

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