The solution is technology developed in the 1960s based on scientific principles discovered two centuries ago: radioisotope thermoelectric generators, or RTGs. RTGs are essentially nuclear-powered ...

Benjamin Roulston does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Nuclear power Radioisotope thermoelectric generators do not rely on chemical reactions like the batteries in your phone.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Benjamin Roulston, Clarkson University (THE CONVERSATION) Powering spacecraft with ...