3 ms·

Yes they exist, though I don't think they are Peltier devices: https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator https://en.wikipedia.org/wiki

• brucethemoose2 3y ago
  If you want a "zero moving part reactor," what you are really looking for is: https://en.m.wikipedia.org/wiki/Fission_fragment_reactor https://en.m.wikipedia.org/wiki/Fission_fragment_reactor And its spaceflight cousin: https://www.projectrho.com/public_html/rocket/enginelist2.php#id--Nuclear_Thermal--Fission_Fragment_Type https://www.projectrho.com/public_html/rocket/enginelist2.ph... Though they are not peltier devices either.