Alessandro volta's voltaic pile was the first "wet cell battery" that produced a reliable, steady current of electricity.

亚历山德罗·沃尔塔的发电桩是第一个“湿电池”的制作了一个可靠，稳定现行的电力。

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You are referring of coarse to PV(photo voltaic) however, electricity is not the only way to collect and use solar energy.

FORBES: Gassing Up: Why America's Future Job Growth Lies In Traditional Energy Industries

When solar entrepreneur Edward Fenster looks across the roofs of photo voltaic panels his company has installed on thousands of homes, he sees not just a source of clean green electricity but also security.

FORBES: Magazine Article