Latrique, a media liaison at the United Nations in New York, carries his personal solar panel with him every day "just in case, for any reason, I'm stuck in a situation where I won't have access to an outlet, " he says.

WSJ: Take Zap! Tech Geeks, Starved for More Battery Power, Give Themselves a Charge

Apart from his obvious gifts, Superman's capacity for continual rebooting has kept him fresh from generation to generation: from leaping tall buildings in 1938 to traversing the solar system and even traveling through time in the 1960s and '70s, to surviving both death and matrimony in more recent decades.

WSJ: The Superhuman Appeal of Superman | By Will Friedwald

One stock she inherited from him was First Solar, a onetime high-flying solar panel maker whose shares have tumbled 75% in the last year.

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